A249048 Self-numbers (A003052) that are multiples of 9.
9, 108, 198, 288, 378, 468, 558, 648, 738, 828, 918, 1098, 1188, 1278, 1368, 1458, 1548, 1638, 1728, 1818, 1917, 2007, 2088, 2178, 2268, 2358, 2448, 2538, 2628, 2718, 2817, 2907, 2997, 3078, 3168, 3258, 3348, 3438, 3528, 3618, 3717, 3807, 3897, 3987, 4068, 4158, 4248
Offset: 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]
Programs
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Haskell
a249048 n = a249048_list !! (n-1) a249048_list = filter ((== 0) . flip mod 9) a003052_list -- Reinhard Zumkeller, Oct 31 2014