A067033 Smallest k such that A067030(n) = k + reverse(k).

0, 1, 2, 3, 4, 5, 10, 6, 7, 8, 9, 11, 12, 13, 14, 15, 16, 17, 18, 100, 19, 29, 39, 120, 49, 59, 130, 69, 79, 140, 89, 99, 150, 101, 160, 111, 170, 121, 180, 131, 190, 141, 151, 102, 161, 112, 171, 122, 181, 132, 191, 142, 152, 103, 162, 113, 172, 123, 182, 133, 192

Offset

0,3

Links

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

Example

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

Prog

(ARIBAS): function a067033(a, b: integer); var n, k, i, rev: integer; st, nst: string; begin for n := a to b do k := 0; 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 write(k, ", ") k := n + 1; else inc(k); end; end; end; end; a067033(0, 500); .

Crossrefs

Cf. A033865, A067030, A067031, A067032, A067034.

Sequence in context: A115895 A116017 A182060 * A067034 A357449 A302840

Adjacent sequences: A067030 A067031 A067032 * A067034 A067035 A067036

Keyword

base,easy,nonn

Author

Klaus Brockhaus, Dec 29 2001

Status

approved