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A066623 Concatenation of squares in increasing order up to the n-th and then in decreasing order. +0
1
1, 141, 14941, 14916941, 149162516941, 1491625362516941, 14916253649362516941, 149162536496449362516941, 1491625364964816449362516941, 149162536496481100816449362516941 (list; graph; listen)
OFFSET

1,2

CROSSREFS

Sequence in context: A145192 A068046 A005849 this_sequence A164525 A153358 A066627

Adjacent sequences: A066620 A066621 A066622 this_sequence A066624 A066625 A066626

KEYWORD

easy,nonn,base

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Dec 25 2001

EXTENSIONS

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

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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