Voozh

A249043

a(1) = 42; a(n+1) = a(n) + sum of decimal digits of a(n).

42, 48, 60, 66, 78, 93, 105, 111, 114, 120, 123, 129, 141, 147, 159, 174, 186, 201, 204, 210, 213, 219, 231, 237, 249, 264, 276, 291, 303, 309, 321, 327, 339, 354, 366, 381, 393, 408, 420, 426, 438, 453, 465, 480, 492, 507, 519, 534, 546, 561, 573, 588, 609, 624, 636

(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..10000

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

Index entries for Colombian or self numbers and related sequences

FORMULA

a(n+1) = A062028(a(n)). - Reinhard Zumkeller, Oct 31 2014

MATHEMATICA