A111101 Cumulative sum of A000001(n)^A000001(n).

1, 2, 3, 7, 8, 12, 13, 3138, 3142, 3146, 3147, 6272, 6273, 6277, 6278, 11112006825564294, 11112006825564295, 11112006825567420, 11112006825567421, 11112006825570546, 11112006825570550, 11112006825570554, 11112006825570555, 449005897206429930, 449005897206429934

Offset: 1

Author

Jonathan Vos Post, Oct 13 2005

Keywords

• easy
• nonn
• less

Crossrefs

Cf. A000001, A000312.

Programs

Mathematica

Accumulate[Table[FiniteGroupCount[n]^FiniteGroupCount[n],{n,25}]] (* James C. McMahon, Apr 30 2024 *)

Formula

a(n) = Sum_{i=1..n} A000001(i)^A000001(i).

a(n) = Sum_{i=1..n} A000312(A000001(i)).

Extensions

More terms from James C. McMahon, Apr 30 2024