101543

Appears in sequences

• Positive numbers k such that k and 4*k are anagrams in base 7 (written in base 7).at n=23A023070
• Number of n X 4 arrays with each row a permutation of 1..4 having at least as many downsteps as the preceding row, with rows in lexicographically nonincreasing order.at n=7A222002
• Heinz numbers of integer partitions into relatively prime parts whose reciprocal sum is the reciprocal of an integer.at n=22A316901
• Heinz numbers of strict integer partitions with relatively prime parts in which no two parts are relatively prime.at n=7A318716
• Heinz numbers of integer partitions with no two distinct parts relatively prime, but with no divisor in common to all of the parts.at n=23A328679
• Heinz numbers of integer partitions with no two (not necessarily distinct) parts relatively prime, but with no divisor in common to all of the parts.at n=6A328868