A249045 Self-numbers (A003052) that are multiples of 3.

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

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)
a249045 n = a249045_list !! (n-1)
a249045_list = filter ((== 0) . flip mod 3) a003052_list
-- Reinhard Zumkeller, Oct 31 2014

Crossrefs

Cf. A003052, A249046-A249048.

Sequence in context: A360704 A293955 A113271 * A183306 A057724 A129879

Adjacent sequences: A249042 A249043 A249044 * A249046 A249047 A249048

Keyword

nonn,base

Author

N. J. A. Sloane, Oct 30 2014

Status

approved