30722
domain: N
Appears in sequences
- Number of points on surface of dodecahedron: a(n) = 30*n^2 + 2 for n > 0.at n=32A005903
- a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = (1, p(1), p(2), ...), t = (composite numbers).at n=43A024480
- a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (1, p(1), p(2), ...), t = (composite numbers).at n=42A025100
- Trajectory of 1 under map n->9n+1 if n odd, n->n/2 if n even.at n=27A033962
- Trajectory of 3 under map n->9n+1 if n odd, n->n/2 if n even.at n=37A037102
- a(n) = n^3 - 2*n^2 + 2.at n=31A100109
- 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), (0, 0, 1), (0, 1, -1), (1, -1, 1)}.at n=11A148145
- a(n) is the smallest m for which A188550(m)=n, or a(n)=0 if no such m exists.at n=43A188586
- Number of (n+1) X 2 0..2 arrays with every 2 X 2 subblock having nonzero determinant and commuting with every horizontal or vertical neighbor.at n=21A207142
- Number of length n binary words that contain 111 but do not contain 000 (as contiguous subwords).at n=17A238361