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A177361
a(n) contains the nonzero frequencies f(d) of digits d=0 .. 9 in all terms up to a(n-1) in concatenated form sorted with respect to d: f(0)//0//f(1)//1//...//f(9)//9. Initial term a(1)=2.
2
2, 12, 1122, 3142, 41521314, 7162233415, 91824344251617, 12110253743526271819, 1017114273845536472829, 20211172931147546774839, 3026120211314485561175859, 50321232133164125761277869, 603712821731741451061578879, 8043130219319416512620711889
OFFSET
1,1
COMMENTS
For a Mathematica program, see A177360 (you have to slightly modify it) [From Jasper Mulder (jasper.mulder(AT)planet.nl), Jun 04 2010]
EXAMPLE
Two; one two; one one, two twos; three ones, four twos; four ones, five twos, one three, one four; seven ones, six twos, two threes, three fours, one five; etc.
CROSSREFS
KEYWORD
easy,nonn,base
AUTHOR
EXTENSIONS
Terms corrected using values in b-file. - N. J. A. Sloane, Oct 05 2010
STATUS
approved