A121035 Multiples of 15 containing a 15 in their decimal representation.

15, 150, 315, 615, 915, 1155, 1215, 1500, 1515, 1530, 1545, 1560, 1575, 1590, 1815, 2115, 2415, 2715, 3015, 3150, 3315, 3615, 3915, 4155, 4215, 4515, 4815, 5115, 5415, 5715, 6015, 6150, 6315, 6615, 6915, 7155, 7215, 7515, 7815, 8115, 8415, 8715, 9015

Offset

1,1

Links

Paolo Xausa, Table of n, a(n) for n = 1..10000

Index entries for 10-automatic sequences.

Formula

a(n) ~ 15n. - Charles R Greathouse IV, Nov 02 2022

Mathematica

Select[15*Range[1000], StringContainsQ[IntegerString[#], "15"] &] (* Paolo Xausa, Feb 25 2024 *)

Prog

(PARI) is(n)=if(n%15, return(0)); while(n>14, if(n%100==15, return(1)); n\=10); 0 \\ Charles R Greathouse IV, Feb 12 2017

Crossrefs

Cf. A121041, A008597, A011531, A121022, A121023, A121024, A121025, A121026, A121027, A121028, A121029, A121030, A121031, A121032, A121033, A121034, A121036, A121037, A121038, A121039, A121040.

Sequence in context: A119998 A119511 A023069 * A022739 A085375 A081135

Adjacent sequences: A121032 A121033 A121034 * A121036 A121037 A121038

Keyword

nonn,base,easy

Author

Reinhard Zumkeller, Jul 21 2006, Jul 26 2006

Status

approved