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Search: id:A067034
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| 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
(list; graph; listen)
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OFFSET
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0,3
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EXAMPLE
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a(12) = 30 since A067030(12) = 33 and 30 is the largest k such that 33 = k + reverse(k).
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PROGRAM
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(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); .
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CROSSREFS
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Cf. A033865, A067031, A067031, A067032, A067033.
Sequence in context: A115895 A116017 A067033 this_sequence A039697 A072620 A072619
Adjacent sequences: A067031 A067032 A067033 this_sequence A067035 A067036 A067037
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KEYWORD
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base,easy,nonn
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AUTHOR
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Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Dec 29 2001
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