The On-Line Encyclopedia of Integer Sequences (OEIS)

A036228 revision #18

A036228

a(1) = 31; a(n+1) = a(n) + sum of decimal digits of a(n).

31, 35, 43, 50, 55, 65, 76, 89, 106, 113, 118, 128, 139, 152, 160, 167, 181, 191, 202, 206, 214, 221, 226, 236, 247, 260, 268, 284, 298, 317, 328, 341, 349, 365, 379, 398, 418, 431, 439, 455, 469, 488, 508, 521, 529, 545, 559, 578, 598, 620, 628, 644, 658

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OFFSET

1,1

COMMENTS

Elements >= 214 can be found in A007618

REFERENCES

D. R. Kaprekar, The Mathematics of the New Self Numbers, Privately Printed, 311 Devlali Camp, Devlali, India, 1963.

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..1000

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

Index entries for Colombian or self numbers and related sequences

MATHEMATICA