56052
domain: N
Appears in sequences
- Number of (n+2)X(1+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 1 3 6 or 7.at n=6A252314
- Number of (n+2)X(7+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 1 3 6 or 7.at n=0A252320
- T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 1 3 6 or 7.at n=21A252321
- T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 1 3 6 or 7.at n=27A252321
- a(1)=1. a(n)>a(n-1) is the smallest positive integer such that the number of divisors of Sum{k=1..n} a(k) is n.at n=10A283487
- Number of free linear polycubes of size n, identifying rotations but not reflections.at n=10A363201
- Terms of A319928 that are congruent to 4 modulo 8: Numbers k == 4 (mod 8) such that there is no other m such that (Z/mZ)* is isomorphic to (Z/kZ)*, where (Z/kZ)* is the multiplicative group of integers modulo k.at n=40A372755