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A046030 Digits are squares. 6
0, 1, 4, 9, 10, 11, 14, 19, 40, 41, 44, 49, 90, 91, 94, 99, 100, 101, 104, 109, 110, 111, 114, 119, 140, 141, 144, 149, 190, 191, 194, 199, 400, 401, 404, 409, 410, 411, 414, 419, 440, 441, 444, 449, 490, 491, 494, 499, 900, 901, 904, 909, 910, 911, 914, 919 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Bruno Berselli, Table of n, a(n) for n = 0..1000

Eric Weisstein's World of Mathematics, Smarandache Sequences.

MATHEMATICA

Union[FromDigits/@Flatten[With[{l={0, 1, 4, 9}}, Table[Tuples[l, {i}], {i, 3}]], 1]]  (* Harvey P. Dale, Dec 19 2010 *)

Select[Range[0, 999], Intersection[{2, 3, 5, 6, 7, 8}, Union[IntegerDigits[#]]] == {} &] (* T. D. Noe, Dec 20 2010 *)

PROG

(MAGMA) [n: n in [0..1000] | forall{d: d in Intseq(n) | d in [0, 1, 4, 9]}]; // Bruno Berselli, Jan 10 2013

(PARI) is(n)=#setintersect(Set(digits(n)), [2, 3, 5, 6, 7, 8])==0 \\ Charles R Greathouse IV, Feb 11 2017

CROSSREFS

Sequence in context: A266297 A174800 A062371 * A125726 A175308 A244533

Adjacent sequences:  A046027 A046028 A046029 * A046031 A046032 A046033

KEYWORD

nonn,base

AUTHOR

Eric W. Weisstein

STATUS

approved

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Last modified April 25 00:46 EDT 2017. Contains 285346 sequences.