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A249045 Self-numbers (A003052) that are multiples of 3. 4
3, 9, 42, 75, 108, 132, 165, 198, 222, 255, 288, 312, 345, 378, 411, 435, 468, 501, 525, 558, 591, 615, 648, 681, 714, 738, 771, 804, 828, 861, 894, 918, 951, 984, 1032, 1065, 1098, 1122, 1155, 1188, 1212, 1245, 1278, 1311, 1335, 1368, 1401, 1425, 1458, 1491 (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
D. R. Kaprekar, The Mathematics of the New Self Numbers [annotated and scanned]
PROG
(Haskell)
a249045 n = a249045_list !! (n-1)
a249045_list = filter ((== 0) . flip mod 3) a003052_list
-- Reinhard Zumkeller, Oct 31 2014
CROSSREFS
Sequence in context: A360704 A293955 A113271 * A183306 A057724 A129879
KEYWORD
nonn,base
AUTHOR
N. J. A. Sloane, Oct 30 2014
STATUS
approved

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Last modified May 19 00:35 EDT 2024. Contains 372666 sequences. (Running on oeis4.)