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 A249044 Composite self-numbers. 2
 9, 20, 42, 64, 75, 86, 108, 110, 121, 132, 143, 154, 165, 176, 187, 198, 209, 222, 244, 255, 266, 288, 299, 310, 312, 323, 334, 345, 356, 378, 400, 411, 413, 424, 435, 446, 468, 490, 501, 512, 514, 525, 536, 558, 580, 591, 602, 615, 626, 637, 648, 670, 681, 692, 703, 714, 716, 738, 749, 760, 771, 782 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 REFERENCES D. R. Kaprekar, The Mathematics of the New Self Numbers, Privately Printed, 311 Devlali Camp, Devlali, India, 1963. LINKS Reinhard Zumkeller, Table of n, a(n) for n = 1..10000 D. R. Kaprekar, The Mathematics of the New Self Numbers [annotated and scanned] PROG (Haskell) a249044 n = a249044_list !! (n-1) a249044_list = filter ((== 0) . a010051') \$ tail a003052_list -- Reinhard Zumkeller, Oct 31 2014 CROSSREFS Cf. A003052, A006378, A171671. Cf. A002808, A010051, A062028. Sequence in context: A146680 A143704 A128153 * A109805 A345727 A332372 Adjacent sequences: A249041 A249042 A249043 * A249045 A249046 A249047 KEYWORD nonn,base AUTHOR N. J. A. Sloane, Oct 30 2014 STATUS approved

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Last modified May 28 01:34 EDT 2024. Contains 372900 sequences. (Running on oeis4.)