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A061522
a(0) = 0; a(n) is obtained by incrementing each digit of a(n-1) by 7.
18
0, 7, 14, 811, 1588, 8121515, 1589812812, 812151615891589, 158981281381215168121516, 812151615891581015898128131589812813, 15898128138121516812158781215161589158108121516158915810
OFFSET
0,2
COMMENTS
In A061511-A061522, A061746-A061750 when the incremented digit exceeds 9 it is written as a 2-digit string. So 9+1 becomes the 2-digit string 10, etc.
LINKS
EXAMPLE
In the sequence 1588 follows 811 because 8+7 = 15 and 1+7 = 8. - Indranil Ghosh, Feb 09 2017
MATHEMATICA
NestList[FromDigits[Flatten[IntegerDigits/@(IntegerDigits[#]+7)]]&, 0, 10] (* Harvey P. Dale, Jun 05 2023 *)
CROSSREFS
Sequence in context: A080451 A346534 A369122 * A213151 A225763 A070407
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, May 08 2001
EXTENSIONS
More terms from Larry Reeves (larryr(AT)acm.org), May 11 2001
STATUS
approved