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%I #18 Jan 06 2020 16:41:03
%S 1,1,1,3,2,4,4,4,5,6,6,6,8,7,9,9,9,10,11,11,11,13,12,14,14,14,15,16,
%T 16,16,18,17,19,19,19,20,21,21,21,23,22,24,24,24,25,26,26,26,28,27,29,
%U 29,29,30,31,31,31,33,32,34,34,34,35,36,36,36,38,37,39,39,39,40
%N Length of n-th term of A321225.
%H Seiichi Manyama, <a href="/A321232/b321232.txt">Table of n, a(n) for n = 1..10000</a>
%F a(n) = a(n-9) + 5. for n > 9.
%F G.f.: x*(x^8 + 2*x^5 - x^4 + 2*x^3 + 1)/(x^10 - x^9 - x + 1). - _Chai Wah Wu_, Jan 06 2020
%e n | A321225 | a(n)
%e --+---------+-----
%e 1 | 1 | 1
%e 2 | 2 | 1
%e 3 | 3 | 1
%e 4 | 211 | 3
%e 5 | 23 | 2
%e 6 | 2112 | 4
%e 7 | 3211 | 4
%e 8 | 2321 | 4
%e 9 | 12321 | 5
%Y Cf. A068962, A321225.
%K nonn
%O 1,4
%A _Seiichi Manyama_, Oct 31 2018
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