58553

Appears in sequences

• Numerators of increasingly better rational approximations to Pi with increasing denominators (3/1, 13/4, 16/5, 19/6, 22/7, 179/57, ...)at n=32A063674
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 1), (-1, 1, 1), (0, 0, 1), (0, 1, -1), (1, -1, 0)}.at n=11A148170
• a(n) = 121*n^2 - 11.at n=21A158539
• Number of length 3+3 0..n arrays with some disjoint pairs in every consecutive four terms having the same sum.at n=17A247535