30981

Appears in sequences

• Number of partitions of n into relatively prime parts such that multiplicities of parts are also relatively prime.at n=39A100953
• Number of 0..n arrays of length 6 with each element differing from at least one neighbor by 1 or less, starting with 0.at n=39A221685
• Products of 3 evil primes (A027699) p,q,r, such that numbers p*q, p*r, q*r, and p*q*r are odious (A000069).at n=34A230353
• Numbers k such that k*6^k + 1 is prime.at n=12A242176
• Number of separable partitions of n in which the number of distinct (repeatable) parts is 6.at n=46A325650
• Numbers that are the sum of seven fourth powers in exactly seven ways.at n=31A345829