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A050631
a(1)=2; for n>1, a(n)^2 is next smallest nontrivial square containing a(n-1)^2 as a substring.
7
2, 7, 43, 136, 10158, 85927342, 738024797793593
OFFSET
1,1
COMMENTS
Starting with a(2)=7, the sequence is identical to A050633.
CROSSREFS
KEYWORD
nonn,base,more
AUTHOR
Patrick De Geest, Jul 15 1999
EXTENSIONS
a(7) from Max Alekseyev, Feb 15 2012
STATUS
approved