138006

Appears in sequences

• Sum of squares of first n positive integers congruent to 1 mod 3.at n=35A024215
• Number of nX2 1..3 arrays containing at least one of each value, all equal values connected, rows considered as a single number in nondecreasing order, and columns considered as a single number in increasing order.at n=33A166814
• Number of 3 X 3 matrices with unit determinant and nonnegative integer entries whose sum is n.at n=29A361083