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A319808 a(n) = A319725(n) + A319656(n). 7

%I #14 Sep 28 2018 10:04:24

%S 0,2,4,6,8,10,12,14,9,18,27,36,45,54,63,72,18,27,36,45,54,63,72,81,27,

%T 36,45,54,63,72,81,90,36,45,54,63,72,81,90,99,45,54,63,72,81,90,99,

%U 108,54,63,72,81,90,99,108,117,63,72,81,90,99,108,117,126,65,81,146,211

%N a(n) = A319725(n) + A319656(n).

%C This sequence is different from A055956.

%H Seiichi Manyama, <a href="/A319808/b319808.txt">Table of n, a(n) for n = 0..4095</a>

%o (PARI) a(n) = my(nd=digits(n, 8)); fromdigits(vecsort(nd), 8) + fromdigits(vecsort(nd,,4), 8); \\ _Michel Marcus_, Sep 28 2018

%Y Base b: A319785 (b=2), A319803 (b=3), A319804 (b=4), A319805 (b=5), A319806 (b=6), A319807 (b=7), this sequence (b=8), A319747 (b=9), A052008 (b=10).

%Y Cf. A055956, A319656, A319725.

%K nonn,base,look

%O 0,2

%A _Seiichi Manyama_, Sep 28 2018

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Last modified April 23 19:56 EDT 2024. Contains 371916 sequences. (Running on oeis4.)