A067034 Largest k such that A067030(n) = k + reverse(k).

0, 1, 2, 3, 4, 5, 10, 6, 7, 8, 9, 20, 30, 40, 50, 60, 70, 80, 90, 100, 91, 110, 93, 120, 94, 95, 130, 96, 97, 140, 98, 99, 150, 200, 160, 210, 170, 220, 180, 230, 190, 240, 250, 300, 260, 310, 270, 320, 280, 330, 290, 340, 350, 400, 360, 410, 370, 420, 380, 430

Offset

0,3

Links

T. D. Noe, Table of n, a(n) for n = 0..1000

Example

a(12) = 30 since A067030(12) = 33 and 30 is the largest k such that 33 = k + reverse(k).

Prog

(ARIBAS): function a067034(a, b: integer); var n, k, m, i, rev: integer; st, nst: string; begin for n := a to b do k := 0; m := -1; while k <= n do st := itoa(k); nst := ""; for i := 0 to length(st) - 1 do nst := concat(st[i], nst); end; rev := atoi(nst); if n = k + rev then m := k; end; inc(k); end; if m >= 0 then write(m, ", "); end; end; end; a067034(0, 500); .

Crossrefs

Cf. A033865, A067031, A067031, A067032, A067033.

Sequence in context: A116017 A182060 A067033 * A357449 A302840 A357082

Adjacent sequences: A067031 A067032 A067033 * A067035 A067036 A067037

Keyword

base,easy,nonn

Author

Klaus Brockhaus, Dec 29 2001

Status

approved