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 A171754 Hyperbolic sine of the prime numbers, rounded to the nearest integer. 0
 4, 10, 74, 548, 29937, 221207, 12077476, 89241150, 4872401723, 1965667148572, 14524424832624, 5859571186401306, 319921746765027475, 2363919734114673281, 129065644309503369812, 52068797165145438985917, 21006052018952571274782967, 155214896785095995435367107 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS FORMULA a(n) = round(sinh(A000040(n))). EXAMPLE For n=1: A000040(1) = 2, sinh(2) = 3.62686..., round(3.62686...) = 4. PROG (MATLAB) digits(50); clear phi; PP=primes(100); for i=1:length(PP); phi(i, :)=vpa(['round(sinh(' num2str(PP(i)) '))']); end; disp(phi) CROSSREFS Sequence in context: A207159 A152397 A239502 * A215872 A059919 A143047 Adjacent sequences: A171751 A171752 A171753 * A171755 A171756 A171757 KEYWORD nonn AUTHOR Joost de Winter, Dec 17 2009 STATUS approved

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Last modified March 31 02:43 EDT 2023. Contains 361623 sequences. (Running on oeis4.)