50905
domain: N
Appears in sequences
- Numbers that are palindromic and divisible by 5.at n=32A043040
- Square of triangular matrix A104445, read by rows, where X=A104445 satisfies: SHIFT_LEFT_UP(X) = X^2 - X + I.at n=58A104446
- Palindromes of the form 4n + 1 that are divisible by 5.at n=20A256704
- a(1) = 15; for n > 1, a(n)^2 is the smallest square that begins with a(n-1) in base 6.at n=22A336251