340578

Appears in sequences

• a(n) = 19683*n - 13716.at n=17A157666
• Sum of the asymmetry degrees of all compositions of n with parts in {1,5}.at n=43A276065
• p-INVERT of (1,0,0,0,1,0,0,0,0,0,...), where p(S) = (1 - S)^2.at n=36A292325