23854

Appears in sequences

• Representation degeneracies for Ramond strings.at n=22A005303
• G.f. A(x) satisfies A(x) = 1 + x*A(x)^2 * A( x*A(x)^2 )^2.at n=6A120971
• Expansion of Product_{k > 0} (1 + f(k)*x^k), where f(k) = A147952(A004001(k)).at n=39A147982
• Numbers n such that 10^n - 99 is prime.at n=16A178439
• Number of (n+1)X(2+1) 0..3 arrays with the maximum plus the upper median minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=1A238294
• T(n,k) = Number of (n+1) X (k+1) 0..3 arrays with the maximum plus the upper median minus the lower median of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=4A238298
• Number of length n+4 0..1 arrays with every five consecutive terms having the maximum of some two terms equal to the minimum of the remaining three terms.at n=15A254691
• Maximum number of connections for a 2 X n rectangle.at n=15A379241
• Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of B(x)^k, where B(x) is the g.f. of A120971.at n=34A381602