26808

Appears in sequences

• Numerators of continued fraction convergents to sqrt(165).at n=6A041304
• Triangle read by rows: the numbers B_2(n,k) from the Harju and Nowotka paper.at n=56A102416
• Leading column of A102416.at n=14A102864
• a(n) is the smallest nonnegative integer such that a(n)! contains a string of exactly n consecutive 3's.at n=9A254448
• Shifts 3 places left under MNL transform.at n=9A275594
• Sum of squares of numbers less than n that do not divide n.at n=43A276984
• a(n) = 54*n^2 - 78*n + 36.at n=23A277983
• Number of nX4 0..1 arrays with every element equal to 0, 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=9A300376
• a(n) is the number of tetrapods standing on the four edges of an n X n grid, so that no two feet are the same distance apart and no foot is on a corner. Tetrapods with congruent footprints are counted only once.at n=21A353447