A327577 - OEIS

%I #16 Sep 18 2019 10:32:27

%S 1,4,5,10,7,26,11,20,19,32,17,52,22,36,38,44,28,78,32,64,49,60,38,104,

%T 47,70,61,78,49,196,53,88,75,94,66,162,64,104,88,134,70,216,74,120,

%U 123,128,80,214,85,168,117,144,91,240,103,162,131,160,101,392,108,172,152,178,122,296

%N Numbers of zeroless polydivisible numbers with all digits the same in base n.

%H Seiichi Manyama, <a href="/A327577/b327577.txt">Table of n, a(n) for n = 2..10000</a>

%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Polydivisible_number">Polydivisible number</a>.

%F a(n) = A327545(n,1).

%F a(n) = Sum_{k=1..n-1} A327571(n,k).

%e n | zeroless polydivisible numbers with all digits the same in base n

%e --+------------------------------------------------------------------

%e 2 | [1]

%e 3 | [1, 11], [2, 22]

%e 4 | [1], [2, 22, 222], [3]

%e So a(2) = 1, a(3) = 4, a(4) = 5.

%Y Cf. A327545, A327571.

%K nonn,base,look

%O 2,2

%A _Seiichi Manyama_, Sep 17 2019