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Number of numbers with sum of digits n in fractional base 4/3.
2

%I #20 Dec 17 2023 03:12:48

%S 1,1,1,2,1,2,4,3,5,6,7,14,13,15,19,19,30,39,45,56,65,75,95,124,140,

%T 174,216,268,338,417,501,627,780,974,1203,1454,1825,2266,2769,3427,

%U 4268,5188,6433,7930,9671,12000,14738,18265,22642,27961,34528,42523,52325,64425

%N Number of numbers with sum of digits n in fractional base 4/3.

%C Only a finite number of numbers have sum of digits n (the largest is A364779(n)).

%H Kevin Ryde, <a href="/A364780/b364780.txt">Table of n, a(n) for n = 0..150</a>

%H Kevin Ryde, <a href="/A364779/a364779_2.c.txt">C Code</a>

%H <a href="/index/Ba#base_fractional">Index entries for sequences related to fractional bases</a>

%o (C) See links.

%Y Cf. A024631 (base 4/3), A244041 (sum of digits).

%Y Cf. A357425 (smallest), A364779 (largest).

%Y Cf. A245356 (count by length).

%K nonn,base

%O 0,4

%A _Kevin Ryde_, Aug 13 2023