145180

Appears in sequences

• "EFK" (unordered, size, unlabeled) transform of 1,3,5,7,...at n=21A032304
• 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, -1, -1), (-1, -1, 1), (0, 1, -1), (1, 0, 0), (1, 1, 1)}.at n=9A150464
• Number of length 1+3 0..n arrays with no pair in any consecutive four terms totalling exactly n.at n=19A246480
• a(n) is the smallest b > 1 such that b^n - (b-1)^n has all divisors d == 1 (mod n).at n=53A321576