A331402 a(n) = [x^(n^n)] Product_{k>=1} 1 / (1 - x^(k^n)).

1, 2, 5, 36, 1104, 140549, 82159688, 237700614212, 3591644060379486

Offset: 1

Author

Ilya Gutkovskiy, Jan 16 2020

Keywords

• nonn
• more

Comments

Number of partitions of n^n into n-th powers.

Examples

			a(2) = 2 because we have [4] and [1, 1, 1, 1].
		

Crossrefs

Diagonal of A259799.

Cf. A145514.

Formula

a(n) = A259799(n,n).

Extensions

a(8)-a(9) from Giovanni Resta, Jan 17 2020