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

Author

Eric W. Weisstein, Sep 21 2005

Keywords

• nonn
• base

Links

• Eric Weisstein's World of Mathematics, Bernoulli Number

Crossrefs

Cf. A112829.