The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A263610 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A263610

Palindromes in base 4 which are also squares.
(history; published version)

#4 by N. J. A. Sloane at Thu Oct 22 14:28:07 EDT 2015

STATUS

editing

approved

#3 by N. J. A. Sloane at Thu Oct 22 14:28:04 EDT 2015

NAME

q

Palindromes in base 4 which are also squares.

LINKS

G. J. Simmons, <a href="/A002778/a002778.pdf">On palindromic squares of non-palindromic numbers</a>, J. Rec. Math., 5 (No. 1, 1972), 11-19. [Annotated scanned copy]

CROSSREFS

Cf. A002778, A003166, A029986, A262609, A029987.

KEYWORD

nonn,changedbase

#2 by N. J. A. Sloane at Thu Oct 22 14:26:18 EDT 2015

NAME

allocated for N. J. A. Sloane

q

DATA

0, 1, 121, 10201, 12321, 1002001, 1032301, 1223221, 100020001, 102030201, 103101301, 120202021, 10000200001, 10033233001, 1000002000001, 1002003002001, 1003010103001, 1021320231201, 1211130311121, 1212110112121, 1213332333121, 100000020000001, 100033323330001, 100331000133001

OFFSET

1,3

KEYWORD

allocated

nonn

AUTHOR

N. J. A. Sloane, Oct 22 2015

STATUS

approved

editing

#1 by N. J. A. Sloane at Thu Oct 22 13:43:48 EDT 2015

NAME

allocated for N. J. A. Sloane

KEYWORD

allocated

STATUS

approved