A112828 a(n) is the decimal period of the fractional part of BernoulliB(2n).

0, 1, 1, 6, 1, 2, 6, 1, 16, 18, 2, 22, 6, 1, 28, 30, 16, 1, 18, 1, 10, 42, 22, 46, 48, 2, 13, 18, 28, 58, 60, 1, 16, 66, 1, 70, 72, 1, 1, 78, 80, 41, 84, 1, 44, 90, 46, 1, 96, 1, 4, 102, 13, 53, 108, 22, 112, 6, 58, 1, 60, 1, 1, 126, 16, 130, 66, 1, 8, 138, 140, 1, 144, 1, 148

Offset

0,4

Links

Table of n, a(n) for n=0..74.

Eric Weisstein's World of Mathematics, Bernoulli Number

Crossrefs

Cf. A112829.

Sequence in context: A274617 A070682 A216415 * A085766 A002329 A053453

Adjacent sequences: A112825 A112826 A112827 * A112829 A112830 A112831

Keyword

nonn,base

Author

Eric W. Weisstein, Sep 21 2005

Status

approved