

A011538


Numbers that contain an 8.


25



8, 18, 28, 38, 48, 58, 68, 78, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 98, 108, 118, 128, 138, 148, 158, 168, 178, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 198, 208, 218, 228, 238, 248, 258, 268, 278, 280, 281, 282, 283, 284, 285, 286
(list;
graph;
refs;
listen;
history;
text;
internal format)



OFFSET

1,1


COMMENTS

In China, numbers with many 8 digits are considered auspicious because the character for 8 (八) sounds like the character for wealth (發).  Charles R Greathouse IV, Aug 28 2012


LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..3439
Index entries for 10automatic sequences.


FORMULA

a(n) ~ n.  Charles R Greathouse IV, Aug 28 2012


MATHEMATICA

Select[Range[400], DigitCount[#, 10, 8]>0 &] (* Vincenzo Librandi, Feb 15 2017 *)


PROG

(PARI) is(n)=!!setsearch(Set(digits(n)), 8) \\ Charles R Greathouse IV, Feb 12 2017
(MAGMA) [n: n in [0..400]  8 in Intseq(n) ]; // Vincenzo Librandi, Feb 15 2017


CROSSREFS

Sequence in context: A051370 A290614 A248015 * A283611 A043521 A277595
Adjacent sequences: A011535 A011536 A011537 * A011539 A011540 A011541


KEYWORD

nonn,base,easy


AUTHOR

N. J. A. Sloane.


STATUS

approved



