152681760

Appears in sequences

• a(n) = 2^(n-1)*(2^n - 1)*Product_{j=1..n-1} (2^j + 1).at n=6A005477
• Expansion of e.g.f. arcsin(arctan(x) * log(x+1)).at n=12A012398
• a(n) = Product_{k = 1..n-1} (9*k - 3).at n=6A147630
• Product of the first n zero-free positive numbers with digital sum n.at n=5A181181
• Triangle T(n, k) read by rows: row n gives the coefficients of the numerator polynomials of the o.g.f. of the (n+1)-th diagonal of the Sheffer triangle A282629 (S2[3,1] generalized Stirling2), for n >= 0.at n=27A290316
• Table T(n,k) read by upward antidiagonals. T(n,k) = Product_{i=1..n} Sum_{j=1..k} (i-1)*k+j.at n=30A333445