A286853 First differences of A286854.

198, 22, 110, 220, 110, 220, 110, 36, 184, 110, 220, 110, 6, 60, 154, 110, 220, 110, 120, 100, 110, 88, 132, 110, 220, 44, 66, 48, 172, 110, 220, 110, 220, 66, 44, 220, 110, 132, 88, 110, 220, 110, 70, 150, 110, 6, 148, 66, 110, 220, 110, 220, 110, 220, 110, 220, 110, 22, 198, 32, 78, 198, 22, 110, 220, 110, 210, 10, 30, 80, 220, 110, 220, 110, 66, 154, 110, 220, 110

Offset: 1

Author

Bill Gosper, Aug 01 2017

Keywords

• nonn

Comments

Empirical observations:

The values seem to be a subset of {2k: k=3..110}.

Segments of consecutive values sum up to 330, like: | 198,22,110 | 220,110 | 220,110 | 36,184,110 | 220,110 | 6,60,154,110 | ... - Peter Luschny, Aug 06 2017

Links

• Peter Luschny, Table of n, a(n) for n = 1..500

Crossrefs

Cf. A286854.

Programs

Mathematica

Differences@Select[Range@9999,0!=Mod[Numerator@BernoulliB[2#],#]&&MemberQ[{1,5},Mod[#,6]]&]