24213
domain: N
Appears in sequences
- Indices of primes in sequence defined by A(0) = 77, A(n) = 10*A(n-1) - 43 for n > 0.at n=9A056257
- a(n) = (1/24)*(n+1)*(n+6)*(n^3+26*n^2+225*n+636).at n=9A090948
- The number of upper-triangular matrices with at least one nonzero entry in each row and whose entries sum to n.at n=7A158691
- Number of n X 2 0,1 arrays indicating 2 X 2 subblocks of some larger (n+1) X 3 binary array having a sum of zero, with rows and columns of the latter in lexicographically nondecreasing order.at n=27A227121
- Number of (2+1) X (n+1) 0..2 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing x(i,j)+x(i-1,j) in the j direction.at n=28A250757