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A319806 a(n) = A319723(n) + A319654(n). 7

%I #19 Aug 08 2024 01:54:55

%S 0,2,4,6,8,10,7,14,21,28,35,42,14,21,28,35,42,49,21,28,35,42,49,56,28,

%T 35,42,49,56,63,35,42,49,56,63,70,37,49,86,123,160,197,49,86,123,160,

%U 197,234,86,123,135,172,209,246,123,160,172,184,221,258,160,197,209,221,233

%N a(n) = A319723(n) + A319654(n).

%C This sequence is different from A055952.

%H Seiichi Manyama, <a href="/A319806/b319806.txt">Table of n, a(n) for n = 0..7775</a>

%t Table[FromDigits[Reverse[#], 6] + FromDigits[#, 6] & [Sort[IntegerDigits[n, 6]]], {n, 0, 100}] (* _Paolo Xausa_, Aug 07 2024 *)

%o (PARI) a(n) = my(nd=digits(n, 6)); fromdigits(vecsort(nd), 6) + fromdigits(vecsort(nd,,4), 6); \\ _Michel Marcus_, Sep 28 2018

%Y Base b: A319785 (b=2), A319803 (b=3), A319804 (b=4), A319805 (b=5), this sequence (b=6), A319807 (b=7), A319808 (b=8), A319747 (b=9), A052008 (b=10).

%Y Cf. A055952, A319654, A319723.

%K nonn,base,look

%O 0,2

%A _Seiichi Manyama_, Sep 28 2018

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Last modified August 25 04:26 EDT 2024. Contains 375422 sequences. (Running on oeis4.)