481671

Appears in sequences

• Number of (2,n)-partitions of a chain of length n^3.at n=9A055659
• Irregular table read by rows: n-th row lists the 9 n-gonal numbers of a 3 X 3 semimagic square with the smallest magic sum. The terms of each row are arranged in the manner shown in A261816.at n=29A265141
• Expansion of Sum_{k>=1} (-1 + Product_{j>=1} 1/(1 - j*x^(k*j))).at n=21A318025
• Number of unordered pairs of distinct strict integer partitions of n.at n=39A366132