121307

Appears in sequences

• a(n) = a(n-1) * (11*a(n-1) - 16*a(n-2)) / (a(n-1) + 10*a(n-2)) with a(1) = 1, a(2) = 2.at n=13A247518
• Heinz numbers of strict integer partitions with relatively prime parts in which no two parts are relatively prime.at n=10A318716
• 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=26A328679
• 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=9A328868