The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A249046 Self-numbers (A003052) that are multiples of 3 but not of 9. 2
 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 (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..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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified April 21 19:25 EDT 2024. Contains 371885 sequences. (Running on oeis4.)