Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).
%I #10 Feb 13 2019 10:39:53
%S 1,0,1,1,1,1,2,2,3,5,4,9,5,1,15,6,2,1,26,7,3,3,42,9,4,7,67,12,6,12,1,
%T 108,16,11,18,3,173,21,19,26,8,277,27,31,36,19,437,35,50,49,40,684,45,
%U 83,64,77,1067,57,144,81,136,1661,71,255,101,226,2588,87
%N Irregular triangle read by rows: T(n,k) (n>=1) = number of runs of length k (k>=1) in n-th generation of A306211.
%H Lars Blomberg, <a href="/A323480/b323480.txt">Table of n, a(n) for n = 1..251</a> (The first 55 generations)
%e Triangle begins:
%e 1,
%e 0, 1,
%e 1, 1,
%e 1, 2,
%e 2, 3,
%e 5, 4,
%e 9, 5, 1,
%e 15, 6, 2, 1,
%e 26, 7, 3, 3,
%e 42, 9, 4, 7,
%e 67, 12, 6, 12, 1,
%e 108, 16, 11, 18, 3,
%e ...
%Y Cf. A306211, A306215, A323477.
%K nonn,tabf
%O 1,7
%A _N. J. A. Sloane_, Jan 31 2019
%E a(23)-a(68) from _Lars Blomberg_, Feb 13 2019