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A098952
Integers divisible by their number of digits.
7
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 96, 98, 102, 105, 108, 111, 114, 117, 120, 123, 126, 129, 132, 135, 138, 141
OFFSET
1,3
COMMENTS
Complement of A171491. [Jaroslav Krizek, Dec 10 2009]
LINKS
EXAMPLE
102 has three digits and is divisible by 3, therefore 102 is in the sequence.
MATHEMATICA
Join[{0}, Select[Range[150], Divisible[#, IntegerLength[#]]&]] (* Harvey P. Dale, Dec 13 2020 *)
PROG
(Magma) [0] cat [n: n in [1..150] | IsIntegral(n/#Intseq(n))]; // Bruno Berselli, Feb 09 2016
(Python)
def ok(n): return n%len(str(n)) == 0
print([k for k in range(142) if ok(k)]) # Michael S. Branicky, Feb 07 2022
CROSSREFS
Cf. A171491.
Sequence in context: A117804 A088235 A064223 * A144688 A164836 A005358
KEYWORD
nonn,base,easy
AUTHOR
Eric Angelini, Oct 21 2004
EXTENSIONS
Corrected by T. D. Noe, Oct 25 2006
STATUS
approved