[seqfan] n = a(n) minus next digit
Eric Angelini
Eric.Angelini at kntv.be
Thu Nov 6 13:37:52 CET 2014
Hello SeqFans,
n = a(n) - [first digit of a(n+1)]
A = 2 10 8 5 12 7 16 9 10 11 12 13 14 15 16 17 19 20 21 22 23 24
n = 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
A = (24) 25 26 27 29 30 31 32 33 34 35 36 37 39 40 41 42 43
n = 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38
A = (43) 44 45 46 47 49 50 51 52 53 54 55 56 57 59 60 61 62
n = 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55
A = (62) 63 64 65 66 67 69 70 71 72 73 74 75 76 77 79 80 81
n = 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72
A = (81) 82 83 84 85 86 87 89 90 91 92 93 94 95 96 97 98 91
n = 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89
A = (91) 100 93 102 95 104 97 106 99 100 101 102 103 104 ...
n = 90 91 92 93 94 95 96 97 98 99 100 101 102 ...
I guess A is the lexico-first such sequence -- can't prove though A won't
stop somewhere...
Best,
É.
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