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 A066870 Happy amicable pairs: numbers which belong to an amicable pair in which both terms are happy numbers. 1
 10572550, 10854650, 32685250, 34538270, 35361326, 40117714, 35390008, 39259592, 186878110, 196323170, 242126704, 257841296, 250876395, 323303445, 300208696, 313576904, 388904355, 465418845, 395939775, 499717185, 541114808 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS In first 5000 Amicable pairs, there are 111 happy amicable numbers. LINKS Amiram Eldar, Table of n, a(n) for n = 1..20000 Shyam Sunder Gupta, Amicable Numbers. EXAMPLE a(1) = 10572550 and a(2) = 10854650, where a(1) and a(2) are happy numbers and also (10572550, 10854650) is an amicable pair. CROSSREFS Cf. A063990, A007770. Sequence in context: A185805 A306476 A251640 * A340110 A250963 A233500 Adjacent sequences: A066867 A066868 A066869 * A066871 A066872 A066873 KEYWORD nonn,base AUTHOR Shyam Sunder Gupta, Jan 21 2002 STATUS approved

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Last modified June 21 21:50 EDT 2024. Contains 373559 sequences. (Running on oeis4.)