A249046 Self-numbers (A003052) that are multiples of 3 but not of 9.

3, 42, 75, 132, 165, 222, 255, 312, 345, 411, 435, 501, 525, 591, 615, 681, 714, 771, 804, 861, 894, 951, 984, 1032, 1065, 1122, 1155, 1212, 1245, 1311, 1335, 1401, 1425, 1491, 1515, 1581, 1614, 1671, 1704, 1761, 1794, 1851, 1884, 1941, 1974, 2022, 2055, 2112, 2145

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..1000

D. R. Kaprekar, The Mathematics of the New Self Numbers [annotated and scanned]

Prog

(Haskell)
a249046 n = a249046_list !! (n-1)
a249046_list = filter ((> 0) . flip mod 9) a249045_list
-- Reinhard Zumkeller, Oct 31 2014

Crossrefs

Cf. A003052, A249045-A249048.

Sequence in context: A238717 A057013 A055755 * A237661 A116006 A079826

Adjacent sequences: A249043 A249044 A249045 * A249047 A249048 A249049

Keyword

nonn,base

Author

N. J. A. Sloane, Oct 30 2014

Status

approved