74970

Appears in sequences

• Expansion of Product_{k>=1} (1-x^k)^27.at n=12A010832
• Theta series of 14-dimensional lattice C2 X S8 with minimal norm 4.at n=4A047634
• Numbers n such that the sum of the digits of Sum_{k=1..n} (k!) is divisible by n.at n=24A109657
• Number of squares in an n X n grid of squares with diagonals.at n=41A111500
• s(k)-s(j), where the pairs (k,j) are given by A205857 and A205858, and s(k) denotes the (k+1)-st Fibonacci number.at n=40A205859
• s(k)-s(j), where the pairs (k,j) are given by A205862 and A205863, and s(k) denotes the (k+1)-st Fibonacci number.at n=37A205864
• s(k)-s(j), where the pairs (k,j) are given by A205872 and A205873, and s(k) denotes the (k+1)-st Fibonacci number.at n=24A205874
• s(k)-s(j), where the pairs (k,j) are given by A205877 and A205878, and s(k) denotes the (k+1)-st Fibonacci number.at n=23A205879
• Numbers n for which 2 < A257993(A276086(A276086(n))) < A257993(n), where A276086 converts the primorial base expansion of n into its prime product form, and A257993 returns the index of the least prime not present in its argument.at n=47A328762
• a(n) = A328613(A276086(n)).at n=71A328763
• Number of ways to partition the set of vertices of a convex {n+8}-gon into 3 non-intersecting polygons.at n=27A350116
• Irregular triangle read by rows: T(n,k) is the number of n-permutations whose fourth-longest cycle has length exactly k; n >= 0, 0 <= k <= floor(n/4).at n=20A350273