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Statistics
Countings: Sequences per type
Sequences (per base, k-value or individual number) with own page in this Wiki:
Sequence | Type | counting |
---|---|---|
Mersenne primes | number | 51 |
Riesel primes k•2n-1 | k-value | 2,158 |
Gen Riesel primes k•bn-1 | base | 4 |
Proth primes k•2n+1 | k-value | 58 |
Gen Proth primes k•bn+1 | base | 5 |
Carol-Kynea primes (bn±1)2-2 | base | 381 |
Williams primes (b-1)•bn-1 | base | 169 |
Williams primes (b-1)•bn+1 | base | 153 |
Williams primes (b+1)•bn-1 | base | 87 |
Williams primes (b+1)•bn+1 | base | 82 |
Leyland numbers xy+yx | number | 1,814 |
Leyland numbers xy-yx | number | 1 |
Gen Woodall primes n•bn-1 | base | 17 |
Near Gen Woodall primes (n-1)•bn-1 | base | 3 |
Near Gen Woodall primes (n+1)•bn-1 | base | 2 |
Gen Cullen primes n•bn+1 | base | 30 |
Near Gen Cullen primes (n-1)•bn+1 | base | 1 |
Near Gen Cullen primes (n+1)•bn+1 | base | 1 |
Number classes
General numbers |
Special numbers |
Prime numbers |
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