26631
domain: N
Appears in sequences
- Number of graphical basis partitions of 2n.at n=32A001130
- Numbers k such that sigma(k) = sigma(k+7).at n=22A015867
- Partial sums of Wagstaff numbers A000978.at n=24A172296
- If n mod 3 = 0 then a(n) = 3^(n/3) + 12*n, if n mod 3 = 1 then a(n) = 4*3^((n-4)/3) + 12*n + 51, otherwise a(n) = 2*3^((n-2)/3) + 12*n - 36.at n=25A276401
- Expansion of Product_{k>0} (1 + Sum_{m>=0} x^(k*2^m)).at n=46A304393
- Number of odd-length integer partitions of n with a unique mode.at n=43A363726