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A247028
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Primes in tetranacci sequence A001631.
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0
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2, 7, 193, 19079, 1823013184807, 324494495853101147203936847, 16085434555484907108254435283952049, 255525859571903290673264616283734506003204622439226993660213169027169
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OFFSET
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1,1
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COMMENTS
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a(9) is too large to display here. It has 160 digits and is the 564th term in A001631.
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LINKS
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MATHEMATICA
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a={0, 0, 1, 0}; For[n=4, n<=1000, n++, sum=Plus@@a; If[PrimeQ[sum], Print[sum]]; a=RotateLeft[a]; a[[4]]=sum]
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CROSSREFS
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Cf. A001590, A001631, A100683, A231574, A231575, A232543, A214899, A020992, A233554. A214727, A234696, A141523, A235862,A214825, A235873, A001630, A241660, A247027.
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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