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 A059805 Natural numbers written with digits grouped in pairs and leading zeros omitted. 12
 12, 34, 56, 78, 91, 1, 11, 21, 31, 41, 51, 61, 71, 81, 92, 2, 12, 22, 32, 42, 52, 62, 72, 82, 93, 3, 13, 23, 33, 43, 53, 63, 73, 83, 94, 4, 14, 24, 34, 44, 54, 64, 74, 84, 95, 5, 15, 25, 35, 45, 55, 65, 75, 85, 96, 6, 16, 26, 36, 46, 56, 66, 76, 86, 97, 7, 17, 27, 37, 47, 57, 67 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Rémy Sigrist, Table of n, a(n) for n = 1..10000 FORMULA a(2n-1)*100 + a(2n) = A091332(n); a(2n-1) = floor(A091332(n)/100), a(2n) = (A091332(n) mod 100). - M. F. Hasler, Oct 23 2014 MATHEMATICA FromDigits /@ Partition[ Flatten[ IntegerDigits[ Table[ n, {n, 1, 77}]]], 2] (* Robert G. Wilson v *) PROG (PARI) {c=0; d=[]; for(n=1, 99, while(#d<2, d=concat(d, digits(c++))); print1(d[1], d[2]", "); d=vecextract(d, "^..2"))} \\ M. F. Hasler, Oct 23 2014 CROSSREFS Cf. A000027, A087406, A060936, A087407, A087408, A087409, A087075, A087410, A087411. Cf. A091331, A091332. Sequence in context: A117476 A122436 A063554 * A141694 A228595 A077295 Adjacent sequences:  A059802 A059803 A059804 * A059806 A059807 A059808 KEYWORD easy,base,nonn AUTHOR Kazimierz Kurz (kurzk(AT)prokom.pl), Mar 01 2001 EXTENSIONS More terms from Jason Earls, Mar 24 2001 STATUS approved

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Last modified January 20 16:04 EST 2022. Contains 350472 sequences. (Running on oeis4.)