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 A195675 Round(Pi^(n+1)/(Pi^2 + 1)). 0
 0, 1, 3, 9, 28, 88, 278, 873, 2742, 8616, 27067, 85032, 267137, 839237, 2636540, 8282934, 26021606, 81749286, 256822958, 806833117, 2534740992, 7963123679, 25016890851, 78592880513, 246906816043, 775680639401, 2436872598275, 7655661052475, 24050968520829 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 COMMENTS a(n+1)/a(n) converges to Pi. LINKS Table of n, a(n) for n=0..28. FORMULA a(n) = round(Pi^(n+1)/(Pi^2 + 1)). EXAMPLE a(4) = 28 because (Pi^5)/(Pi^2 + 1) = 28.1537095089.... MATHEMATICA Table[Round[Pi^(n + 1)/(Pi^2 + 1)], {n, 0, 28}] PROG (PARI) for(n=0, 28, print1(round(Pi^(n+1)/(Pi^2+1)), ", ")) CROSSREFS Another version of A090426. Cf. A000796, A170953. Sequence in context: A095716 A124820 A022020 * A170953 A358092 A333504 Adjacent sequences: A195672 A195673 A195674 * A195676 A195677 A195678 KEYWORD nonn AUTHOR Arkadiusz Wesolowski, Apr 22 2012 STATUS approved

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Last modified May 31 22:36 EDT 2023. Contains 363068 sequences. (Running on oeis4.)