A110402 a(1) = 11; for n >= 1, a(n+1) is obtained by replacing the k-th digit of a(n) with the sum of all the less significant digits starting from the k-th digit.

11, 21, 31, 41, 51, 61, 71, 81, 91, 101, 211, 421, 731, 1141, 7651, 191261, 201910971, 3028282718171781, 666363615351434134332524171691, 11410810296938784787772696463595652514844413836312925241716101

Offset

1,1

Links

Table of n, a(n) for n=1..20.

Example

After 211 the next term is obtained by replacing 2 with 2+1+1, 1 by 1+1 and retaining the least significant digit and it is 421.

Crossrefs

Cf. A110403.

Sequence in context: A216100 A017281 A061589 * A330286 A081927 A181178

Adjacent sequences: A110399 A110400 A110401 * A110403 A110404 A110405

Keyword

base,easy,nonn

Author

Amarnath Murthy, Jul 29 2005

Extensions

More terms from Michael J. Sell (mjs589(AT)psu.edu), Mar 19 2006

Status

approved