A238634 Number of partitions of 7^n into parts that are at most 7.

1, 15, 16475, 569704489, 54667189410224, 6242342067484101895, 731267824140098782358035, 85980297709044488588773397089, 10114611726199237476675435354424104, 1189959092808570377265545326042454670975, 139997247522791157386395916200494707946968395

Offset: 0

Author

Alois P. Heinz, Mar 01 2014

Keywords

• nonn

Crossrefs

Row n=7 of A238016.

Formula

a(n) = [x^(7^n)] Product_{j=1..7} 1/(1-x^j).