73734
domain: N
Appears in sequences
- Numbers k for which A064380(k) = k/2.at n=16A185078
- Number of (n+2)X(n+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=6A258999
- Number of (n+2)X(7+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=6A259005
- Number of (7+2)X(n+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=6A259012
- Number of (binary) max-heaps on n elements from the set {0,1} containing exactly nine 0's.at n=24A326510
- Numbers k such that iphi(k) divides k, where iphi is the infinitary Euler phi function (A064380).at n=17A373057