41456

Appears in sequences

• a(n) = T(n,n-1), array T as in A050143. Also T(2n+1,n), array T as in A055807.at n=7A050147
• Number of partitions where no part is a multiple of 9.at n=42A104502
• Integers k such that 10^k+49 is prime.at n=31A108054
• Triangle G(n,k) read by rows: number of order-preserving partial transformations (of an n-element totally ordered set) of waist k (waist(alpha) = max(Im(alpha))).at n=43A111516
• Numbers k for which 6k+1, 24k+5, 432k^2+72k-1, and 432k^2+90k-1 are all prime.at n=36A175513
• Even numbers k such that 6k+1, 12k+1, 18k+1, 36k+1 and 72k+1 are all primes.at n=15A206349
• Numbers m such that 6m+1, 12m+1, 18m+1, 36m+1 and 72m+1 are all prime.at n=24A257035
• Number of (not necessarily maximal) cliques in the n-Fibonacci cube graph.at n=17A291916
• Number of compositions (ordered partitions) of n into distinct and relatively prime parts.at n=30A332004