49482
domain: N
Appears in sequences
- Numbers k > 1 such that, in base 5, k and k^2 contain the same digits in the same proportion.at n=20A061659
- Number of walks within N^2 (the first quadrant of Z^2) starting at (0,0), ending on the vertical axis and consisting of n steps taken from {(-1, 0), (0, -1), (1, -1), (1, 1)}.at n=13A151406
- a(n) = A289671(n)/2^f(n), where f(n) = 2*floor((n-1)/3) + ((n+2) mod 3) = A004523(n).at n=46A289677
- a(n) = A289677(3*n+2).at n=15A290440