50605
domain: N
Appears in sequences
- Palindromic in bases 9 and 10.at n=20A029965
- Numbers that are palindromic and divisible by 5.at n=29A043040
- Start with 1 and repeatedly reverse the digits and add 38 to get the next term.at n=30A118634
- Numbers k such that k and k^2 use only the digits 0, 2, 5, 6 and 8.at n=43A136913
- Palindromes of the form 4n + 1 that are divisible by 5.at n=17A256704
- Expansion of Sum_{k>=0} x^k * Product_{j=0..k-1} (2 * j + x).at n=8A353255
- Nonnegative numbers k not ending in 0 such that, in decimal representation, the subsequence of digits of k^2 occupying an odd position is equal to the digits of k.at n=25A362020
- Number of vertices in a graph of n adjacent rectangles in a row with all possible diagonals drawn, as in A306302, but without the rectangles' edges which are perpendicular to the row.at n=24A369176