167405domain: NAppears in sequencesNumber of parts in all partitions of 2n+1 that do not contain 1 as a part.at n=23A182735Number of strings of length n over a 5-letter alphabet that begin with a nontrivial palindrome.at n=8A249638Number of 6-cycles in the n-triangular honeycomb obtuse knight graph.at n=30A290392