54846

Appears in sequences

• a(n) = sum of squares of first n positive integers congruent to 1 mod 4.at n=21A024381
• [ exp(4/13)*n! ].at n=7A030930
• Sum of the areas of the Durfee squares of all partitions of n.at n=29A116503
• Number of arrays of 5 integers in -n..n with sum zero and the sum of every adjacent pair being odd.at n=16A202077
• Number of Carlitz compositions of n with exactly six descents.at n=7A241696
• Irregular triangle read by rows: T(n,k) (n>=2, 1<=k<=n) gives number of arrangements of the elements from the multiset M(n, 4) into exactly k disjoint cycles.at n=41A245184
• Number of (n+2)X(2+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00010101.at n=11A260835
• Expansion of Sum_{i>=1} x^(i^3) / (1 - Sum_{j>=1} x^(j^3))^2.at n=41A281809