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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 A013573 A146388

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 November 22 02:58 EST 2019. Contains 329383 sequences. (Running on oeis4.)