47270
domain: N
Appears in sequences
- Row 6 of table A113143; equal to INVERT of 6-fold factorials shifted one place right.at n=6A113147
- Riordan array (1/(1 + 5*x + x^2), x/(1 + 5*x + x^2))^(-1); inverse of Riordan array A123967.at n=40A125906
- a(n) = 36*n^2 - 55*n + 21.at n=36A157262
- Egyptian fraction representation of sqrt(12) (A010469) using a greedy function.at n=4A248241
- n/5 analog of Keith numbers.at n=10A282768