%I #24 Feb 08 2019 05:38:02
%S 1,2,3,5,8,13,22,37,61,100,162,260,416,663,1053,1664,2617,4102,6416,
%T 10029,15684,24561,38531,60560,95334,150238,236878,373449,588441,
%U 926449,1457335,2290726,3599062,5654352,8886976,13979961,22020411,34743031,54922083
%N a(n) gives the length of A306211 after n generations.
%C n | A306211 after n generations
%C --+-----------------------------
%C 1 | [1]
%C 2 | [1, 1]
%C 3 | [1, 1, 2]
%C 4 | [1, 1, 2, 2, 1]
%C 5 | [1, 1, 2, 2, 1, 2, 2, 1]
%C 6 | [1, 1, 2, 2, 1, 2, 2, 1, 2, 2, 1, 2, 1]
%C 7 | [1, 1, 2, 2, 1, 2, 2, 1, 2, 2, 1, 2, 1, 2, 2, 1, 2, 1, 2, 1, 1, 1]
%H Benjamin Chaffin, <a href="/A306215/b306215.txt">Table of n, a(n) for n = 1..65</a>
%Y Cf. A306211.
%Y See A323475 for first differences.
%K nonn
%O 1,2
%A _Peter Kagey_, Jan 29 2019
%E a(27)-a(39) from _Rémy Sigrist_, Jan 29 2019