A174201 Partial sums of A141034.

1, 3, 6, 12, 22, 45, 79, 146, 256, 461, 781, 1441

Offset: 1

Author

Jonathan Vos Post, Mar 11 2010

Keywords

• more
• nonn

Comments

Partial sums of rank of the unit group of the Burnside ring of the symmetric group on n points. The underlying sequence includes the primes 2, 3, 23, 67; the subsequence of prime values in this partial sum begins: 3, 79, 461.

Crossrefs

Cf. A000638, A141034.

Formula

a(n) = SUM[i=1..n] A141034(i).