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A267600 Palindromic numbers which are sum of consecutive squares in more than one way. 2
554455, 9343439, 923222222329 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

A subsequence of A180436.

a(4) > 10^18, if it exists. - Giovanni Resta, Jun 14 2018

LINKS

Table of n, a(n) for n=1..3.

EXAMPLE

554455 = 9^2 + ... + 118^2 = 331^2 + ... + 335^2.

9343439 = 102^2 + ... + 307^2 = 657^2 + ... + 677^2.

923222222329 = 2967^2 + ... + 14087^2 = 42462^2 + ... + 42967^2.

CROSSREFS

Cf. A180436.

Sequence in context: A204571 A253614 A249687 * A196511 A196733 A178554

Adjacent sequences:  A267597 A267598 A267599 * A267601 A267602 A267603

KEYWORD

nonn,more,bref,base

AUTHOR

Chai Wah Wu, Jan 18 2016

STATUS

approved

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Last modified May 19 09:14 EDT 2019. Contains 323390 sequences. (Running on oeis4.)