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A077675 Squarefree numbers with square nonzero square digits. 1
11, 14, 19, 41, 89, 91, 94, 111, 114, 118, 119, 141, 149, 181, 191, 194, 199, 411, 418, 419, 449, 481, 489, 491, 494, 498, 499, 811, 814, 818, 849, 881, 889, 894, 898, 899, 911, 914, 919, 941, 949, 989, 991, 994, 998, 1111, 1114, 1118, 1119, 1141, 1149 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..51.

MATHEMATICA

Select[Flatten[Table[FromDigits/@Tuples[{1, 4, 8, 9}, n], {n, 2, 4}]], SquareFreeQ] (* Harvey P. Dale, Oct 10 2013 *)

CROSSREFS

Cf. A077674.

Sequence in context: A191933 A193097 A343855 * A266988 A248642 A121297

Adjacent sequences:  A077672 A077673 A077674 * A077676 A077677 A077678

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, Nov 16 2002

EXTENSIONS

Corrected and extended by David Garber, Nov 19 2002

STATUS

approved

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Last modified June 20 14:31 EDT 2021. Contains 345165 sequences. (Running on oeis4.)