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A063991
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Unitary amicable numbers.
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18
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114, 126, 1140, 1260, 18018, 22302, 32130, 40446, 44772, 49308, 56430, 64530, 67158, 73962, 142310, 168730, 180180, 197340, 223020, 241110, 242730, 286500, 296010, 308220, 365700, 429750, 462330, 548550, 591030, 618570, 669900
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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REFERENCES
| C. A. Pickover, The Math Book, Sterling, NY, 2009; see p. 90.
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LINKS
| Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics
J. M. Pedersen, Known Unitary Amicable Pairs
I. Peterson, Amicable Pairs, Divisors and a New Record
J. O. M. Pedersen, Tables of Aliquot Cycles
R. M. Najar, The Unitary Amicable Pairs To 10^8
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CROSSREFS
| Union of A002952 and A002953.
Sequence in context: A057440 A113537 A127664 * A065118 A095619 A160776
Adjacent sequences: A063988 A063989 A063990 * A063992 A063993 A063994
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Sep 18 2001
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