1264460

Appears in sequences

• Sociable numbers: smallest member of each cycle (conjectured).at n=2A003416
• The 4-cycle of the n => sigma(n)-n process. sigma(n) is the sum of divisors of n. (A000203).at n=0A072892
• The 4-cycle of the n => sigma(n)-n process. sigma(n) is the sum of divisors of n. (A000203).at n=4A072892
• Smallest member of sociable quadruples.at n=0A090615
• Partials sums of A090615.at n=0A180624
• Smallest member of sociable quadruples with signature: abundant, abundant, deficient, deficient.at n=0A222975
• Conjectured list of numbers in increasing order that belong to sociable cycles of length greater than 2 in which the sum of the cycle is divisible by 10.at n=0A292217