Voozh

A113603

Numbers obtained as the sum mod 10 of corresponding digits of n and its digit reversal.

2, 4, 6, 8, 0, 2, 4, 6, 8, 11, 22, 33, 44, 55, 66, 77, 88, 99, 0, 22, 33, 44, 55, 66, 77, 88, 99, 0, 11, 33, 44, 55, 66, 77, 88, 99, 0, 11, 22, 44, 55, 66, 77, 88, 99, 0, 11, 22, 33, 55, 66, 77, 88, 99, 0, 11, 22, 33, 44, 66, 77, 88, 99, 0, 11, 22, 33, 44, 55, 77, 88, 99, 0, 11, 22

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OFFSET

1,1

COMMENTS

Most of the terms are palindromes except for the case when the most significant digit sum == 0 mod 10.

LINKS

Alois P. Heinz, Table of n, a(n) for n = 1..10000

EXAMPLE

a(2358) = 0880. Digit reversal of 2358 is 8532 and the corresponding digit sums mod 10 are 8+2 == 0, 5+3 == 8, 5+3 == 8, 8+2 == 0.

MAPLE

A113603 := proc(n)

dgs := convert(n, base, 10) ;