A185653 -id:A185653 - cp's OEIS frontend

A258867 Positions n where A185653(n) = 0.

4, 7, 13, 16, 20, 22, 25, 26, 27, 31, 34, 37, 40, 41, 43, 48, 49, 52, 58, 59, 61, 62, 64, 67, 69, 70, 76, 79, 81, 83, 85, 88, 89, 90, 92, 94, 97, 102, 103, 106, 111, 112, 114, 115, 118, 121, 124, 125, 130, 132, 133, 135, 139, 140, 142, 145, 146, 147, 148, 151, 157, 158, 159, 160, 166, 167, 169, 174, 175, 178, 180, 181, 182, 184, 187, 188, 191, 193, 195, 196, 197, 199

Offset: 1

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Paul D. Hanna, Jun 12 2015

nonn

The g.f. of A185653 is: exp( Sum_{n>=1} -3*sigma(2*n)*q^n/n ) = q^(-1/8) * eta(q)^9 / eta(q^2)^3 in powers of q.

Paul D. Hanna, Table of n, a(n) for n = 1..2579

Cf. A185653.

cp's OEIS Frontend

A258867 Positions n where A185653(n) = 0.

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