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A066623 Concatenation of squares in increasing order up to the n-th and then in decreasing order. 0

%I #5 Dec 05 2013 19:55:06

%S 1,141,14941,14916941,149162516941,1491625362516941,

%T 14916253649362516941,149162536496449362516941,

%U 1491625364964816449362516941,149162536496481100816449362516941

%N Concatenation of squares in increasing order up to the n-th and then in decreasing order.

%K easy,nonn,base

%O 1,2

%A _Amarnath Murthy_, Dec 25 2001

%E More terms from _Sascha Kurz_, Mar 23 2002

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Last modified April 24 19:39 EDT 2024. Contains 371963 sequences. (Running on oeis4.)