43939

Appears in sequences

• Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 5-point zee 1,1 2,1 2,2 2,3 3,3 in any orientation.at n=11A146064
• Numbers of quasi-espalier polycubes of a given volume (number of atomic cells).at n=35A230118
• Triangle read by rows, T(n,k) = Sum_{j=0..n} (-1)^(n-j)*C(-j,-n)*S1(j,k), S1 the Stirling cycle numbers A132393, for n>=0 and 0<=k<=n.at n=50A269951
• Numbers k such that 3*10^k - 97 is prime.at n=22A290577
• Number of integer partitions of n that are neither Look-and-Say nor section-sum.at n=42A383510