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%I #11 Nov 14 2018 12:25:14
%S 10,11,12,13,14,15,16,17,18,19,110,21,112,113,114,115,116,117,118,119,
%T 120,121,22,123,124,125,126,127,128,129,130,131,132,23,134,135,136,
%U 137,138,139,140,141,142,143,24,145,146,147,148,149,150,151,152,153,154
%N Describe n from left to right in terms of blocks with the maximum number of repetitions (and then with the maximum size).
%C This sequence is a variant of the "Look and Say" sequence A045918 with features from Gijswijt's sequence A090822.
%C Any digit appearing in n also appears in a(n).
%H Rémy Sigrist, <a href="/A321485/b321485.txt">Table of n, a(n) for n = 0..10000</a>
%H Rémy Sigrist, <a href="/A321485/a321485.gp.txt">PARI program for A321485</a>
%F a((10^k-1)/9 * d) = 10*k + d for any k > 0 and d = 1..9.
%F A055642(a(n)) <= 1 + A055642(n).
%e The following table shows some examples with the corresponding blocks:
%e n a(n) Blocks
%e -------- ------ ---------------
%e 0 10 (0)
%e 1 11 (1)
%e 12 112 (12)
%e 100 1100 (100)
%e 111 31 (1|1|1)
%e 22123 221123 (2|2)(123)
%e 112211 212221 (1|1)(2|2)(1|1)
%e 212212 2212 (212|212)
%e 11221122 21122 (1122|1122)
%o (PARI) See Links section.
%Y Cf. A045918, A090822.
%K nonn,base
%O 0,1
%A _Rémy Sigrist_, Nov 11 2018
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