117370

Appears in sequences

• a(n) = n^2*(n^2 + 1)/2.at n=22A037270
• Sum of next n numbers/n if n divides the sum else n times the sum of next n numbers.at n=21A094260
• a(n) = sum of numbers from 1 to pi(n), where pi(n) = A007955(n).at n=21A184390
• a(n) = 2*3^(2*n) - 3*3^n + 1.at n=5A240917
• Chessboard rectangles sequence (see Comments), also A037270 interleaved with A163102.at n=44A317714
• Triangular numbers that are sum of squares of two distinct triangular numbers.at n=27A346386