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A050632
a(n+1) is next smallest nontrivial square containing a(n) as a substring, initial term is 9.
3
9, 49, 1849, 18496, 103184964, 7383508103184964, 544680602158273835081031849649
OFFSET
1,1
FORMULA
a(n) = A050633(n)^2.
CROSSREFS
Starting with a(2)=49, the sequence is identical to A050630.
Sequence in context: A174744 A133049 A188140 * A050638 A088064 A080812
KEYWORD
nonn,base,more
AUTHOR
Patrick De Geest, Jul 15 1999
EXTENSIONS
a(7) from Max Alekseyev, Feb 15 2012
STATUS
approved