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A033564
a(n+1) = concatenation of a(n) and a(n)+1, with a(0)=1.
3
1, 12, 1213, 12131214, 1213121412131215, 12131214121312151213121412131216, 1213121412131215121312141213121612131214121312151213121412131217
OFFSET
0,2
COMMENTS
The next term is too large to be included in the DATA section. - N. J. A. Sloane, Oct 20 2021
MATHEMATICA
NestList[FromDigits[Join[IntegerDigits[#], IntegerDigits[#+1]]]&, 1, 6] (* Jayanta Basu, May 20 2013 *)
CROSSREFS
Sequence in context: A177090 A103269 A317955 * A301474 A054351 A080814
KEYWORD
nonn,base
AUTHOR
Wolfgang Scheufele (ws(AT)pi3.informatik.uni-mannheim.de)
STATUS
approved