A116501 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A116501

Numbers k such that the base-10 representation of k^2 has the structure dmdmd, where d is a single digit and m is a string of digits.

5

264, 238165, 309097, 1052631579, 1104579631, 2076555028, 2105263158, 2209159262, 3004048583, 3157894737, 30762132977, 107438016531, 214876033062, 10909090909091, 21818181818182, 1001889106154509

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..16.

EXAMPLE

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

CROSSREFS

Cf. A116499, A116502.

Sequence in context: A289024 A145639 A285836 * A289745 A289639 A283665

Adjacent sequences: A116498 A116499 A116500 * A116502 A116503 A116504

KEYWORD

base,nonn

AUTHOR

Giovanni Resta, Feb 18 2006

STATUS

approved