149660
domain: N
Appears in sequences
- Triangle T(n,k) (n >= 2, k = 3..n+floor(n/2)) giving number of bicoverings of an n-set with k blocks.at n=22A059443
- Number of 6-block bicoverings of an n-set.at n=6A059947
- Number of sets of exactly n positive integers <= n+7 having a square element sum.at n=28A281970
- Sum of the prime numbers in, but not on the border of, an n X n square array whose elements are the numbers from 1..n^2, listed in increasing order by rows.at n=38A344847