54123
domain: N
Appears in sequences
- Numbers k such that k^2 contains only digits {1,2,9}.at n=8A053888
- Numbers with 5 distinct digits {1,2,3,4,5} such that all adjacent digits (as well as first and last digits) are coprime.at n=56A104972
- Fixed points of the function A260529(n) = concatenation of the positions of digits 9, 8,..., 0 in the decimal representation of n, using 1 for the rightmost digit etc., skipping digits which don't occur.at n=39A260275
- List of snow leopard permutations of odd length in lexicographic order.at n=6A269751
- Number of nXn 0..1 arrays with every element unequal to 0, 1 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=16A317766