login
A066623
Concatenation of squares in increasing order up to the n-th and then in decreasing order.
0
1, 141, 14941, 14916941, 149162516941, 1491625362516941, 14916253649362516941, 149162536496449362516941, 1491625364964816449362516941, 149162536496481100816449362516941
OFFSET
1,2
CROSSREFS
Sequence in context: A172633 A221104 A202045 * A302331 A172738 A172814
KEYWORD
easy,nonn,base
AUTHOR
Amarnath Murthy, Dec 25 2001
EXTENSIONS
More terms from Sascha Kurz, Mar 23 2002
STATUS
approved