A242559 Zeroless numbers n such that n^3 contains a 0.

16, 22, 34, 37, 42, 43, 47, 48, 52, 59, 63, 67, 69, 73, 74, 79, 84, 86, 87, 89, 93, 94, 99, 112, 115, 116, 117, 118, 123, 124, 126, 127, 128, 131, 134, 135, 138, 141, 143, 145, 149, 152, 159, 163, 164, 169, 171, 172, 174, 182, 184, 187, 192, 193, 194, 199, 214, 216

Offset

1,1

Links

Table of n, a(n) for n=1..58.

Example

16 does not contain a 0 and 16^3 = 4096 contains a 0. Thus, 16 is a member of this sequence.

Prog

(Python)
{print(n) for n in range(10**3) if str(n).count("0")==0 and str(n**3).count("0")>0}
(PARI) is(n)=Set(digits(n))[1] && Set(digits(n^3))[1]==0 \\ Charles R Greathouse IV, Jul 10 2015

Crossrefs

Subsequence of A242214.

Cf. A052382 (zeroless numbers), A134843.

Sequence in context: A058901 A059756 A242214 * A242066 A303958 A304601

Adjacent sequences: A242556 A242557 A242558 * A242560 A242561 A242562

Keyword

nonn,base

Author

Derek Orr, May 17 2014

Status

approved