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 A338090 Numbers having at least one 8 in their representation in base 9. 15
 8, 17, 26, 35, 44, 53, 62, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 89, 98, 107, 116, 125, 134, 143, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 170, 179, 188, 197, 206, 215, 224, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 251, 260, 269, 278, 287, 296, 305, 314, 315 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Blocks of consecutive terms have lengths in A002452. - Devansh Singh, Oct 21 2020 LINKS François Marques, Table of n, a(n) for n = 1..10000 EXAMPLE 70 is not in the sequence since it is 77_9 in base 9, but 76 is in the sequence since it is 84_9 in base 9. MAPLE seq(`if`(numboccur(8, convert(n, base, 9))>0, n, NULL), n=0..100); MATHEMATICA Select[ Range[ 0, 100 ], (Count[ IntegerDigits[ #, 9 ], 8 ]>0)& ] PROG (PARI) isok(m) = #select(x->(x==8), digits(m, 9)) >= 1; CROSSREFS Cf. A007095 (base 9). Complement of A037477. Cf. A043485 (numbers with exactly one 8 in base 9). Cf. Numbers with at least one digit b-1 in base b: A074940 (b=3), A337250 (b=4), A337572 (b=5), A333656 (b=6), A337141 (b=7), A337239 (b=8), this sequence (b=9), A011539 (b=10), A095778 (b=11). Cf. Numbers with no digit b-1 in base b: A005836 (b=3), A023717 (b=4), A020654 (b=5), A037465 (b=6), A020657 (b=7), A037474 (b=8), A037477 (b=9), A007095 (b=10), A171397 (b=11). Sequence in context: A290227 A277052 A305496 * A043485 A031495 A224829 Adjacent sequences: A338087 A338088 A338089 * A338091 A338092 A338093 KEYWORD nonn,base,easy AUTHOR François Marques, Oct 09 2020 STATUS approved

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Last modified September 27 20:41 EDT 2023. Contains 365714 sequences. (Running on oeis4.)