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 A002459 Nearest integer to cosh(n). (Formerly M1223 N0470) 1
 1, 2, 4, 10, 27, 74, 202, 548, 1490, 4052, 11013, 29937, 81377, 221207, 601302, 1634509, 4443055, 12077476, 32829985, 89241150, 242582598, 659407867, 1792456423, 4872401723, 13244561065, 36002449669, 97864804714, 266024120301, 723128532146, 1965667148572 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 REFERENCES K. Hayashi, Sieben- und Mehrstellige Tafeln der Kreis- und Hyperbelfunktionen und deren Produkte Sowie der Gammafunktion. Springer-Verlag, Berlin, 1926. A. V. Lebedev and R. M. Fedorova, A Guide to Mathematical Tables. Pergamon, Oxford, 1960, p. 93. N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence). N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). LINKS T. D. Noe, Table of n, a(n) for n=0..150 FORMULA |a(n) - A000495(n)| <= 1. - R. J. Mathar, Oct 28 2008 MAPLE Digits := 50: [ seq( round(evalf(cosh(n))), n=0..35) ]; MATHEMATICA Round[Cosh[Range[0, 40]]] (* Harvey P. Dale, Jan 08 2014 *) CROSSREFS Sequence in context: A272603 A272602 A113066 * A216434 A220829 A339838 Adjacent sequences: A002456 A002457 A002458 * A002460 A002461 A002462 KEYWORD nonn,nice,easy AUTHOR N. J. A. Sloane EXTENSIONS More terms from Harvey P. Dale, Jan 08 2014 STATUS approved

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Last modified February 22 22:43 EST 2024. Contains 370265 sequences. (Running on oeis4.)