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A283611 Numbers whose largest decimal digit is 8. 5
8, 18, 28, 38, 48, 58, 68, 78, 80, 81, 82, 83, 84, 85, 86, 87, 88, 108, 118, 128, 138, 148, 158, 168, 178, 180, 181, 182, 183, 184, 185, 186, 187, 188, 208, 218, 228, 238, 248, 258, 268, 278, 280, 281, 282, 283, 284, 285, 286, 287, 288, 308, 318, 328, 338, 348 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Numbers n such that A054055(n) = 8.
Number of terms less than 10^n is 9^n - 8^n.
Prime terms are in A106094.
LINKS
MAPLE
f:= proc(n) local L;
L:= convert(n, base, 9);
if not has(L, 8) then return NULL fi;
add(L[i]*10^(i-1), i=1..nops(L))
end proc:
map(f, [$8..1000]); # Robert Israel, Mar 27 2017
MATHEMATICA
Select[Range@ 350, Max@ IntegerDigits@ # == 8 &] (* Michael De Vlieger, Mar 25 2017 *)
PROG
(Magma) [n: n in [1..100000] | Maximum(Setseq(Set(Sort(&cat[Intseq(n)])))) eq 8]
(PARI) isok(n) = vecmax(digits(n)) == 8; \\ Michel Marcus, Mar 25 2017
(GAP) Filtered([1..400], n->Maximum(ListOfDigits(n))=8); # Muniru A Asiru, Mar 01 2019
CROSSREFS
Cf. Sequences of numbers whose largest decimal digit is k (for k = 1..9): A007088 (k = 1), A277964 (k = 2), A277965 (k = 3), A277966 (k = 4), A283608 (k = 5), A283609 (k = 6), A283610 (k = 7), this sequence (k = 8), A011539 (k = 9).
Sequence in context: A347995 A248015 A011538 * A043521 A277595 A017365
KEYWORD
nonn,base
AUTHOR
Jaroslav Krizek, Mar 19 2017
STATUS
approved

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Last modified May 20 03:01 EDT 2024. Contains 372703 sequences. (Running on oeis4.)