67310
domain: N
Appears in sequences
- Number of nX3 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 2 or 3 neighboring 1s.at n=8A296400
- T(n,k)=Number of nXk 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 2 or 3 neighboring 1s.at n=57A296405
- Pentagonal numbers which are products of four distinct primes.at n=33A381919