23822

Appears in sequences

• Expansion of 1/(1-x^2-x^3-x^4-x^5-x^6-x^7-x^8).at n=24A013985
• a(n) = (n + 2)*(2*n^2 - n + 3)/6.at n=41A056520
• Diagonal sums of number triangle A120258.at n=9A120260
• Eight bishops and one elephant on a 3 X 3 chessboard: a(n) = 3*2^n - 2*F(n+1), with F(n) = A000045(n).at n=13A175657
• Expansion of Sum_{k>=1} x^k*(1 + x^k)/(1 - x^k)^4.at n=40A320941
• Centered heptagonal numbers which are sphenic numbers.at n=8A360183
• Number of integer partitions of n that cannot be partitioned into constant multisets with distinct block-sums.at n=47A381717