161336

Appears in sequences

• Number of subpartitions of partition P=[0,0,0,1,1,1,1,2,2,2,2,2,3,...], where P(n) = [(sqrt(8*n+25) - 5)/2].at n=32A121432
• a(n) = Trinomial(2*n+1, 4) = (1/6)*n*(2*n + 1)*(2*n^2 + 9*n + 1), n >= 0.at n=21A302709
• a(n) = smallest k such that A350877(k) = n, or -1 if n does not appear in A350877.at n=26A350620
• Index where A362105(n) first appears in the Sisyphus sequence A350877.at n=5A362106