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 A305289 Powers of 2*Pi, rounded to the nearest integer. 0
 1, 6, 39, 248, 1559, 9793, 61529, 386598, 2429064, 15262259, 95895601, 602529829, 3785806568, 23786924201, 149457652642, 939070127125, 5900351625162, 37073002638414, 232936545470713, 1463583480006755, 9195966217409213, 57779959822545404, 363042194606444109, 2281061383037441740 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS FORMULA a(n) = round((2 Pi)^n) = A001675(2*n) >= A001674(2n). MATHEMATICA Round[(2Pi)^Range[0, 30]] (* Harvey P. Dale, Aug 12 2021 *) PROG (PARI) apply( a(n)=(2*Pi)^n\/1, [0..40]) CROSSREFS Cf. A001674 (floor(sqrt(2 Pi)^n)), A001675 (round sqrt(2 Pi)^n), A001698 (ceiling sqrt(2 Pi)^n), A017911 (round sqrt(2)^n), A000227 (round e^n), A002160 (round Pi^n). Sequence in context: A037592 A037683 A145664 * A090018 A238809 A006256 Adjacent sequences:  A305286 A305287 A305288 * A305290 A305291 A305292 KEYWORD nonn AUTHOR M. F. Hasler, May 29 2018 STATUS approved

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Last modified September 17 15:51 EDT 2021. Contains 347478 sequences. (Running on oeis4.)