28303

Appears in sequences

• Number of partitions of 5n with equal nonzero number of parts congruent to each of 1, 2, 3 and 4 modulo 5.at n=14A046787
• Number of 2 X 2 matrices with all elements in {0,...,n} and prime permanent.at n=22A281090
• Numbers k such that (7*10^k + 197)/3 is prime.at n=20A290115
• Number of maximal irredundant sets in the n-Andrásfai graph.at n=14A291053
• Number of partitions of 2*n into exactly n squarefree parts.at n=52A341153
• a(n) is the sum of all symmetric peaks in the set of flattened Catalan words of length n.at n=8A372884