128304

Appears in sequences

• Expansion of {Product_{j>=1} (1 - (-x)^j) - 1}^12 in powers of x.at n=26A001490
• a(n) = Sum_{k=0..2n} (k+1) * A026552(n, k).at n=10A027276
• Define an array by d(m, 0) = 1, d(m, 1) = m; d(m, k) = (m - k + 1) d(m+1, k-1) - (k-1) (m+1) d(m+2, k-2). Sequence gives d(n,4).at n=21A126958
• a(n) = ((9+sqrt(9))^n + (9-sqrt(9))^n)/2.at n=5A143079