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A367351
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Analog of A121805, but starting with 7.
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9
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7, 85, 136, 197, 269, 362, 385, 439, 534, 579, 675, 732, 759, 857, 936
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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b = 10; m = b - 1; a[1] = 7; a[n_] := a[n] = For[r = Mod[a[n - 1], b]; y = 0, y <= m, y++, If[y == IntegerDigits[#, b][[1]], Return[#]] &[a[n - 1] + b r + y]]; TakeWhile[Array[a, 45], IntegerQ] (* Michael De Vlieger, Nov 18 2023, after Jean-François Alcover at A121805 *)
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PROG
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(Python)
def agen(start=7): # generator of terms
an, y = start, 1
while y < 10:
yield an
an, y = an + 10*(an%10), 1
while y < 10:
if str(an+y)[0] == str(y):
an += y
break
y += 1
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CROSSREFS
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Comma sequences in base 10, starting with 1, 2, 4, 5, 6, 7, 8, 9, 10 are A121805, A139284, A366492, A367337, A367350, A367351, A367352, A367353, A367354. Starting with 3 is trivial, and those starting with 11, 12, 13 are essentially duplicates.
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KEYWORD
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nonn,fini,full,base
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AUTHOR
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STATUS
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approved
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