136851

Appears in sequences

• Triangle giving numbers of closed plane meanders.at n=57A060972
• Triangle giving numbers of closed plane meanders.at n=63A060972
• Antidiagonal sums of table A125781.at n=10A125789
• a(n) = (10*n+3)*(10*n+17).at n=36A152579
• a(n) = (7*n^4 + 5*n^2)/12.at n=21A185505
• Number of unordered pairs {p,q} of partitions of n into distinct parts such that p and q are incomparable in the dominance order.at n=40A265508
• a(n) = (2*n^3 - 6*n^2 + 19*n - 9)*n/6.at n=25A378023