127483
domain: N
Appears in sequences
- Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 21.at n=16A031699
- Decimal part of n-th root of a(n) starts with digit 8.at n=18A034085
- a(n) = 441n^2 + 2n.at n=16A158321
- Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal sum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=3A253836
- T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal sum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=18A253841
- Number of (4+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal sum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=2A253844