123696

Appears in sequences

• a(n) = n^2*(n^3-n+2)/2.at n=12A101377
• Natural number transform of Aitken's triangle.at n=42A127740
• 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 nondecreasing order.at n=32A166796
• Convolutions of the central Lah numbers (A187535).at n=4A187542
• If n^2 has an even number of digits, write n after the left half of the digits of n^2 and before the right half, otherwise if n^2 has 2t+1 digits, write n after the first t digits of n^2 and before the last t+1 digits.at n=35A274620