22054

Appears in sequences

• Number of n X n symmetric matrices with nonnegative entries and all row sums 2.at n=7A000985
• Iccanobirt prime indices (15 of 15): Indices of prime numbers in A102125.at n=20A102145
• Number of (7*n) X 7 binary arrays with rows in nonincreasing order, n ones in every column and no more than 2 ones in any row.at n=2A188401
• T(n,k) = Number of (n*k) X k binary arrays with rows in nonincreasing order, n ones in every column and no more than 2 ones in any row.at n=29A188403
• The number of lit cells in weakly decreasing partitions of n when light shines from the north west. Here partitions are represented from left to right by columns of cells.at n=24A366157