38323
domain: N
Appears in sequences
- Strong pseudoprimes to base 24.at n=15A020250
- Strong pseudoprimes to base 84.at n=16A020310
- Numbers n such that sigma(reverse(n)) = phi(n).at n=16A070856
- Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and column plus the two sums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=34A259002
- a(0)=0, a(1)=a(2)=a(3)=a(4)=1; thereafter, a(n) = Sum_{k=1..5} a(n-k-(a(n-k) mod 5)).at n=29A259615
- a(n) = n*(6*n^2 - 8*n + 3).at n=19A272378