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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
OFFSET
1,1
REFERENCES
D. R. Kaprekar, The Mathematics of the New Self Numbers, Privately Printed, 311 Devlali Camp, Devlali, India, 1963.
LINKS
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
KEYWORD
nonn,base
AUTHOR
N. J. A. Sloane, Oct 30 2014
STATUS
approved