login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A068880 Smallest n-digit square with property that digits alternate in parity. 1
1, 16, 121, 1296, 12321, 147456, 1038361, 10929636, 103652761, 1010985616, 10327234129, 101070583056, 1010163694761 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

EXAMPLE

a(4) = 1296 as 1, 2, 9 and 6 have odd and even parity alternately.

CROSSREFS

Cf. A068876, A030152.

Sequence in context: A069658 A069667 A104265 * A053883 A191484 A030508

Adjacent sequences:  A068877 A068878 A068879 * A068881 A068882 A068883

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Mar 19 2002

EXTENSIONS

More terms from Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Mar 23 2002

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 17 13:07 EST 2012. Contains 206026 sequences.