186626
domain: N
Appears in sequences
- Number of partitions of n if there are two kinds of 1, two kinds of 2 and two kinds of 3.at n=31A000098
- Number of triples (a, b, c) with gcd(a, b, c) = 1 and -n <= a,b,c <= n.at n=30A175549
- Number of nX3 0..1 arrays with every element equal to 0, 1, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=23A303309