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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A116501 Numbers n such that the representation of n^2 has the structure dmdmd, where d is a single digit and m a string of digits. 2
264, 238165, 309097, 1052631579, 1104579631, 2076555028, 2105263158, 2209159262, 3004048583, 3157894737, 30762132977, 107438016531, 214876033062, 10909090909091, 21818181818182, 1001889106154509 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

309097^2 = 9[5540]9[5540]9.

CROSSREFS

Cf. A116499, A116502.

Sequence in context: A107507 A013974 A145639 * A151602 A051976 A146335

Adjacent sequences:  A116498 A116499 A116500 * A116502 A116503 A116504

KEYWORD

base,nonn

AUTHOR

Giovanni Resta (g.resta(AT)iit.cnr.it), Feb 18 2006

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 15 23:34 EST 2012. Contains 205860 sequences.