23390

Appears in sequences

• Sum of squares of first n positive integers congruent to 1 mod 3.at n=19A024215
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 107", based on the 5-celled von Neumann neighborhood.at n=32A270166
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 657", based on the 5-celled von Neumann neighborhood.at n=25A273336
• Number of binary words w of length n such that the number of distinct blocks of length k that w contains is <= k+2 for all k.at n=33A297526
• G.f.: Sum_{k>=0} A000041(k)^2 * x^k / Sum_{k>=0} A000009(k) * x^k.at n=17A304988
• Sum of the largest parts in the partitions of n into 6 parts.at n=38A308873