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A262623
Amicable pairs of odd numbers.
7
12285, 14595, 67095, 71145, 69615, 87633, 100485, 124155, 122265, 139815, 522405, 525915, 802725, 863835, 947835, 1125765, 1175265, 1438983, 1280565, 1340235, 1358595, 1486845, 1798875, 1870245, 4482765, 5120595, 5357625, 5684679, 5730615, 6088905, 6377175, 6680025, 8619765, 9627915, 9071685, 9498555, 9206925, 10791795
OFFSET
1,1
COMMENTS
If there are no amicable pairs whose members have distinct parity then this is also the odd terms of A259180.
First differs from A262625 at a(4).
REFERENCES
Song Y. Yan, Perfect, Amicable and Sociable Numbers. A Computational Approach, World Scientific, 1996, pages 151 - 153.
LINKS
PROG
(PARI) lista(nn) = {forstep(n=1, nn, 2, m = sigma(n)-n; if ((m > n) && (n==sigma(m)-m), print1(n, ", ", m, ", ")); ); } \\ Michel Marcus, Nov 14 2015
KEYWORD
nonn,tabf
AUTHOR
Omar E. Pol, Nov 09 2015
STATUS
approved