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A061521 a(0) = 1; a(n) is obtained by incrementing each digit of a(n-1) by 6. 0
1, 7, 13, 79, 1315, 79711, 13151377, 79711791313, 1315137713157979, 797117913137971113151315, 1315137713157979131513777971179711, 797117913137971113151315797117913131315137713151377, 131513771315797913151377797117971113151377131579797971179131379711791313 (list; graph; refs; listen; history; text; internal format)
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

Table of n, a(n) for n=0..12.

MATHEMATICA

NestList[FromDigits[Flatten[IntegerDigits/@(IntegerDigits[#]+6)]]&, 1, 15] (* Harvey P. Dale, May 21 2015 *)

CROSSREFS

Sequence in context: A177198 A177163 A268350 * A073220 A110455 A177952

Adjacent sequences:  A061518 A061519 A061520 * A061522 A061523 A061524

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, May 08 2001

EXTENSIONS

More terms from Larry Reeves (larryr(AT)acm.org), May 11 2001

a(5)-a(12) corrected by Harvey P. Dale, May 21 2015

STATUS

approved

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Last modified November 18 21:04 EST 2018. Contains 317331 sequences. (Running on oeis4.)