335433

Appears in sequences

• a(n) = a(1) + a(2) + ... + a(n-1) + a(m) for n >= 4, where m = n - 1 - 2^p and p is the unique integer such that 2^p < n - 1 <= 2^(p+1), with a(1) = a(2) = 1 and a(3) = 2.at n=19A049938
• a(n) = n^4 + 4*n^3 + 12*n^2 + 24*n + 24.at n=23A127878