A177362 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)=3.
3, 13, 1123, 311233, 512263, 6142731516, 91528314253617, 12172103244546271819, 10171112113545556472829, 20241142123749566673839, 3027118215310410596874859, 603212021731241351061077879
Offset: 1
Examples
Three; one three; one one, two threes; three ones, one two, three threes; five ones, two twos, six threes; six ones, four twos, seven threes, one five, one six; etc.
Links
- J. Mulder, Table of n, a(n) for n = 1..25000
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