A070235 Number of partitions of 3^n into distinct terms.

1, 2, 8, 192, 84756, 5807301632, 2496696209705056142, 4077067982967062771640042697374910, 1661834856564765736512658856496529945178404778001420955780288

Offset

0,2

Links

Table of n, a(n) for n=0..8.

Formula

a(n) ~ exp(Pi*sqrt(3^(n-1)))/(4*3^(3*n/4+1/4)). - Ilya Gutkovskiy, Jan 13 2017

Mathematica

Table[ PartitionsQ[3^n], {n, 0, 10}]

Crossrefs

Cf. A000009, A067735, A069878, A248728.

Sequence in context: A056990 A234637 A234632 * A057194 A105232 A012539

Adjacent sequences: A070232 A070233 A070234 * A070236 A070237 A070238

Keyword

nonn

Author

Robert G. Wilson v, May 08 2002

Status

approved