23290

Appears in sequences

• Number of ways in which n identical balls can be distributed among 5 boxes in a row such that each pair of adjacent boxes contains at least 4 balls.at n=20A005338
• Numbers k such that 19*2^k+1 is prime.at n=14A032359
• Numbers k such that sigma(k-2) + sigma(k+2) = sigma(2k).at n=11A067172
• Triangle T(n, k) = (-1)^n*StirlingS1(n, k)*StirlingS1(n, n-k), read by rows.at n=23A155742
• Triangle T(n, k) = (-1)^n*StirlingS1(n, k)*StirlingS1(n, n-k), read by rows.at n=25A155742
• Triangle T(n, k) = (-1)^n*StirlingS1(n, j)*StirlingS1(n, n-j), with T(n, 0) = T(n, n) = 1, read by rows.at n=23A155868
• Triangle T(n, k) = (-1)^n*StirlingS1(n, j)*StirlingS1(n, n-j), with T(n, 0) = T(n, n) = 1, read by rows.at n=25A155868
• Numerator of least value of the squared diameters of the enclosing circles of all strictly convex lattice n-gons with minimal area given by A070911.at n=14A321693
• Number of non-graphical integer partitions of 2n.at n=20A339617