390096

Appears in sequences

• Stirling2 triangle with scaled diagonals (powers of 6).at n=23A075501
• Third column of triangle A075501.at n=4A075916
• a(0)=1, a(n) = sigma_3(2n).at n=35A091986
• a(n) = sigma_3(3n+1).at n=23A092342