A195438 Six-digit exclusionary squares: 6-digit numbers whose squares comprise digits none of which appears in the number itself.

141494, 143413, 144113, 144417, 144453, 144533, 144544, 144744, 148334, 150908, 150918, 151153, 151157, 151688, 151767, 151787, 151898, 154144, 155113, 155133, 155138, 155158, 155577, 155707, 155757, 155788, 155813, 157157, 157557, 157753, 157813, 158113

Offset

1,1

Comments

There are 1219 such 6-digit numbers.

References

Clifford A. Pickover, A Passion for Mathematics, John Wiley & Sons, 2005, at pp. 61, 297

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1219 (full sequence)

Mathematica

Select[Range[100000, 999999], Intersection[IntegerDigits[#], IntegerDigits[ #^2]] =={}&]

Crossrefs

Cf. A195363.

Sequence in context: A203833 A032747 A212373 * A164527 A214479 A269321

Adjacent sequences: A195435 A195436 A195437 * A195439 A195440 A195441

Keyword

nonn,base,fini,full

Author

Harvey P. Dale, Sep 18 2011

Status

approved