64412

Appears in sequences

• a(n) = A026637(2*n, n).at n=9A026638
• a(n) = A026637(n, floor(n/2)).at n=18A026643
• Growth series for group with presentation < S, T : S^2 = T^3 = (S*T)^10 = 1 >.at n=32A298812
• a(n) is the smallest number which can be represented as the sum of n distinct nonzero n-gonal numbers in exactly n ways, or 0 if no such number exists.at n=21A350405