A103849 - OEIS

A103849

Rearrangement of natural numbers according to sums of odd and even digits.

0, 112, 1, 2, 121, 3, 4, 134, 5, 6, 143, 7, 8, 156, 9, 12, 165, 10, 14, 178, 11, 16, 187, 13, 18, 211, 15, 20, 314, 17, 21, 336, 19, 22, 341, 23, 24, 358, 25, 26, 363, 27, 28, 385, 29, 34, 413, 30, 36, 431, 31, 38, 516, 32, 40, 538, 33, 41, 561, 35, 42, 583, 37, 43, 615, 39

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OFFSET

1,2

COMMENTS

Sum of odd digits (less than, equals and larger than) sum of even digits A103829, A036301, 103848.

LINKS

Table of n, a(n) for n=1..66.

FORMULA

n=3k-2, a(n)=A103829(k); n=3k-1, a(n)=A036301(k); n=3k-1, a(n)=A103848(k); (k=1, 2, ...)

EXAMPLE

k=1: a(1)=A103829(1), a(2)=A036301(1), a(3)=A103848(1).

CROSSREFS