40672
domain: N
Appears in sequences
- Triangle T, read by rows, such that the matrix square shifts T left one column and up one row, with T(0,0)=T(1,0)=1 and T(n,0)=0 for n>1 and T(n,n)=1 for n>=0.at n=41A098542
- a(n) = n*(n + 1)*(4*n - 1)/3.at n=31A268684
- Number of n X 6 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 3 or 6 neighboring 1s.at n=16A296552
- Number of integer partitions of n where the parts have lesser mean than the distinct parts.at n=41A360251