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A057268
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a(n-1)+k=a(n) => a(n)*k=a(n+1).
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1
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1, 3, 6, 18, 216, 42768, 1819863936, 3311826913612597248, 10968197499701667312529793029329125376, 120301356392461906290006219878693096559247086148184247242087281541542576128
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OFFSET
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0,2
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COMMENTS
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For +k and ^k see A057269. (Using *k and ^k gives another formulation of A014222. In this case the sequence could start 1,2 - see A014221.)
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LINKS
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MATHEMATICA
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nxt[{a_, b_}]:={b, b(b-a)}; NestList[nxt, {1, 3}, 9][[All, 1]] (* Harvey P. Dale, Sep 05 2017 *)
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CROSSREFS
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KEYWORD
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easy,nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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