OFFSET
1,1
REFERENCES
D. R. Kaprekar, Puzzles of the Self-Numbers. 311 Devlali Camp, Devlali, India, 1959.
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]
FORMULA
a(n) = A062028(a(n-1)) for n > 1. - Reinhard Zumkeller, Oct 14 2013
PROG
(Haskell)
a016096 n = a016096_list !! (n-1)
a016096_list = iterate a062028 9 -- Reinhard Zumkeller, Oct 14 2013
(Python)
from itertools import islice
def A016096_gen(): # generator of terms
a = 9
while True:
yield a
a += sum(int(d) for d in str(a))
CROSSREFS
KEYWORD
nonn,base
AUTHOR
STATUS
approved