A053931 Squares composed of digits {2,6,9}.

9, 29929, 69696, 929296, 9696996, 996222969, 26629996969, 69926926969, 269996262622969, 9222222699262629962929, 9929662926692269969296, 96296299962926222299669929, 2669292996662992629666262969, 2699929699222292222296696996, 62969966996922666266229669292996

Offset

1,1

References

C. A. Pickover, The Mathematics of Oz, Chapter 9, "Square Overdrive", pp. 250, Cambridge University Press 2002.

Links

Zhao Hui Du, Table of n, a(n) for n = 1..18

Joe K. Crump, TriDigital Squares

Patrick De Geest, Squares containing at most three distinct digits, Index entries for related sequences

Crossrefs

Cf. A053930.

Sequence in context: A333554 A055309 A288940 * A053921 A297563 A234641

Adjacent sequences: A053928 A053929 A053930 * A053932 A053933 A053934

Keyword

nonn,base

Author

Patrick De Geest, Mar 15 2000

Extensions

More terms from Joe K. Crump (joecr(AT)carolina.rr.com), Sep 07 2000

a(14) onwards added by Zhao Hui Du, Mar 01 2024

Status

approved