66992

Appears in sequences

• Larger of amicable pair.at n=9A002046
• Amicable numbers.at n=18A063990
• The larger amicable number corresponding to A180330(n).at n=2A180331
• Irregular triangle in which row n consists of the larger of pairs of amicable numbers of the form 2^n pq, with p and q odd primes.at n=3A180651
• Largest members of k-sociable cycles of order r.at n=17A183013
• Conjectured list of multisociable numbers.at n=31A183019
• Numbers k such that sigma(k) = sigma(sigma(k)-k).at n=22A206708
• Deficient numbers whose aliquot sequence is deficient, abundant, deficient, ..., etc.at n=16A234970
• Let us denote 's' the sum of the deficient numbers in the aliquot parts of x. Sequence lists numbers x such that sigma(s)-s is equal to x.at n=18A254879
• Amicable pairs.at n=19A259180
• Amicable pairs (x < y) ordered by nondecreasing sum (x + y) and then by increasing x.at n=17A259933
• Larger of amicable pair (x, y) as they are listed in A259933.at n=8A260087
• Amicable pairs of even numbers.at n=17A262622
• Even amicable numbers.at n=16A262624
• Twin amicable numbers (m,n) where there is not any part of another amicable pair between m and n.at n=17A273259
• Numbers k whose deficiency is 64: 2k - sigma(k) = 64.at n=10A275997
• Amicable pairs where only deficient aliquot parts are considered.at n=7A280516
• List of pairs of amicable numbers (m, n) with record value of m/n.at n=9A287026
• Number T(n,k) of set partitions of [n] such that the maximal absolute difference between the least elements of consecutive blocks equals k; triangle T(n,k), n>=0, 0<=k<=max(n-1,0), read by rows.at n=61A287215
• List of pairs of amicable numbers (m,n) where the sum of the pair is divisible by 10.at n=7A291422