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Carol primes (10ⁿ-1)²-2 and Kynea primes (10ⁿ+1)²-2

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Reserved! This sequence is currently reserved by: Ryan Propper

Current data

Base :	10
Max n :	250,000
Date :	2022-05-18
Reserved :	Ryan PropperRyan Propper/Reserved

Carol: (12) 1, 8, 21, 123, 4299, 6128, 11760, 18884, 40293, 334568, 393063, 657559

Kynea: (04) 22, 351, 1061, 410997

History

2022-05-18: Found n = 657559, Ryan Propper
2022-05-14: Found n = 410997, Ryan Propper
2022-05-14: Found n = 393063, Ryan Propper
2022-05-14: Found n = 334568, Ryan Propper
2022-05-13: Reserved by Ryan Propper, for n>250000
2022-04-18: Checked to n = 250000, Dylan Delgado, released
2022-03-15: Checked to n = 236100, Dylan Delgado
2022-02-14: Checked to n = 223200, Dylan Delgado
2022-01-13: Checked to n = 208200, Dylan Delgado
2021-06-04: Checked to n = 200000, Dylan Delgado
2021-05-23: Checked to n = 193300, Dylan Delgado
2021-04-28: Checked to n = 177600, Dylan Delgado
2021-03-15: Checked to n = 162000, Dylan Delgado
2020-12-02: Checked to n = 150700, Dylan Delgado
2020-11-02: Checked to n = 130000, Dylan Delgado
2020-10-06: Reserved by Dylan Delgado
2016-05-05: Checked to n = 95000, Serge Batalov
2016-04-20: Checked to n = 79631, Serge Batalov
2004-03-12: Found n = 40293, Rob Binnekamp
2004-02-04: Checked to n = 30300, Steven Harvey
2004-02: Found n = 18884, Steven Harvey
2004-01-22: Found n = 6128, Steven Harvey

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