34509

Appears in sequences

• Number of zero-sum nX1 -2..2 arrays with every element equal to at least one horizontal or vertical neighbor.at n=14A201884
• Number of distinct values of the sum of 3 products of three 0..n integers.at n=23A225260
• Partial sums of A299268.at n=27A299269
• a(n) = (1/3^n) * Sum_{k=0..n^3} ( (binomial(n^3, k) * 2^k) (mod 3^n) ).at n=40A376536