1173512domain: NAppears in sequencesNumber of permutations of 3 copies of 1..n with all adjacent differences <= 2 in absolute value.at n=5A177292Number of permutations of n copies of 1..5 with all adjacent differences <= 2 in absolute value.at n=3A177323Terms of A216427 that are the sum of two coprime terms of A216427.at n=25A307134