Number of partitions of 6*7^n into powers of 7, also equals column 1 of triangle A111830, which shifts columns left and up under matrix 7th power.

A111831

Number of partitions of 6*7^n into powers of 7, also equals column 1 of triangle A111830, which shifts columns left and up under matrix 7th power.

Terms

    a(0) =1a(1) =7a(2) =154a(3) =16275a(4) =9106461a(5) =28543862991

External references