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A174954
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a(1)=1 and a(2)=2, a(n) = square of the sum of previous terms.
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0
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OFFSET
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1,2
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COMMENTS
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SQRT(a(n+1)/a(n)) = A082732(n).
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LINKS
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Table of n, a(n) for n=1..8.
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FORMULA
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a(n+1)=[Sum_{i=1..n}{a(i)}]^2, for n>=2 and with a(1)=1, a(2)=2 [From Paolo P. Lava, Apr 23 2010]
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MAPLE
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P:=proc(i) local a, s, n; print(1); print(2); s:=3; for n from 0 by 1 to i do a:=s^2; print(a); s:=s+a; od; end: P(100); [From Paolo P. Lava, Apr 23 2010]
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CROSSREFS
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Cf. A174864
Sequence in context: A189428 A110860 A050995 * A193440 A117116 A211935
Adjacent sequences: A174951 A174952 A174953 * A174955 A174956 A174957
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KEYWORD
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easy,nonn
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AUTHOR
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Giovanni Teofilatto, Apr 02 2010
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STATUS
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approved
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