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A293877
Numbers having '17' as substring of their digits / decimal expansion.
13
17, 117, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 217, 317, 417, 517, 617, 717, 817, 917, 1017, 1117, 1170, 1171, 1172, 1173, 1174, 1175, 1176, 1177, 1178, 1179, 1217, 1317, 1417, 1517, 1617, 1700, 1701, 1702, 1703, 1704, 1705, 1706, 1707, 1708, 1709, 1710, 1711, 1712, 1713
OFFSET
1,1
COMMENTS
Row 17 of A292690 and A293869. A121037 lists the terms which are divisible by 17.
FORMULA
a(n) ~ n. - Charles R Greathouse IV, Nov 02 2022
MATHEMATICA
Select[Range[2000], StringContainsQ[IntegerString[#], "17"] &] (* Paolo Xausa, Feb 25 2024 *)
PROG
(PARI) is_A293877 = has(n, p=17, m=10^#Str(p))=until(p>n\=10, n%m==p&&return(1))
CROSSREFS
Cf. A121041, A121022, A121023, A121024, A121025, A121026, A121027, A121028, A121029, A121030, A121031, A121032, A121033, A121034, A121035, A121036, A121037, A121038, A121039, A121040: subsequences of the above, containing only multiples of the pattern p.
Sequence in context: A196598 A222370 A032692 * A044349 A044730 A086020
KEYWORD
nonn,base,easy
AUTHOR
M. F. Hasler, Oct 18 2017
STATUS
approved