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A086851
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a(0) = 1, a(n+1) = a(n)^2 - n.
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6
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1, 1, 0, -2, 1, -3, 4, 10, 93, 8641, 74666872, 5575141774264374, 31082205803147712138788845611865, 966103517589229313003894215813508352493573272034098666228778213, 933356006698282312572303256489816012122783406254583141248499016192865214116760703502264792586180597344027491798667186743473356
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,4
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LINKS
| Index entries for sequences of form a(n+1)=a(n)^2 + ...
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MAPLE
| a := proc(n) option remember: if n=0 then RETURN(1) fi: a(n-1)^2-n+1: end: for n from 0 to 15 do printf(`%d, `, a(n)) od:
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MATHEMATICA
| a=1; lst={}; Do[a=a^2-n; AppendTo[lst, a], {n, 0, 14}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Dec 17 2008]
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CROSSREFS
| Cf. A153059, A153059.
Sequence in context: A007444 A166476 A052950 * A001054 A141487 A099866
Adjacent sequences: A086848 A086849 A086850 * A086852 A086853 A086854
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KEYWORD
| sign,easy
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AUTHOR
| David McLeod Moulton (dmoulton(AT)asianinc.org), Aug 18 2003
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