A323478 a(1)=1; thereafter, a(n) = string appended to (n-1)-st generation of A306211 to get the n-th generation.
1, 1, 2, 21, 221, 22121, 221212111, 221212111211113, 221212111211113211113141, 221212111211113211113141211113141141111, 22121211121111321111314121111314114111121111314114111114111214
Offset: 1
Links
- N. J. A. Sloane, Table of n, a(n) for n = 1..17
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