A160927 a(n) = n + reversal(n-1).

1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 12, 23, 34, 45, 56, 67, 78, 89, 100, 111, 23, 34, 45, 56, 67, 78, 89, 100, 111, 122, 34, 45, 56, 67, 78, 89, 100, 111, 122, 133, 45, 56, 67, 78, 89, 100, 111, 122, 133, 144, 56, 67, 78, 89, 100, 111, 122, 133, 144, 155, 67, 78, 89, 100

Offset

1,2

Comments

a(8) = 8 + R(7) = 8 + 7 = 15;

a(15) = 15 + R(14) = 15 + 41 = 56;

a(26) = 26 + R(25) = 26 + 52 = 78.

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Maple

rev := proc (n) local nn: nn := convert(n, base, 10): add(nn[j]*10^(nops(nn)-j), j = 1 .. nops(nn)) end proc: seq(n+rev(n-1), n = 1 .. 55); # Emeric Deutsch, Jun 22 2009

Mathematica

Table[n+IntegerReverse[n-1], {n, 70}] (* Harvey P. Dale, May 05 2022 *)

Crossrefs

Sequence in context: A237292 A098729 A160939 * A240848 A038124 A172273

Adjacent sequences: A160924 A160925 A160926 * A160928 A160929 A160930

Keyword

nonn,base

Author

Claudio Meller, May 30 2009

Status

approved