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 A000167 Nearest integer to modified Bessel function K_n(2). (Formerly M1938 N0767) 2
 0, 0, 0, 1, 2, 9, 49, 306, 2188, 17810, 162482, 1642635, 18231462, 220420179, 2883693795, 40592133316, 611765693528, 9828843229764, 167702100599524, 3028466654021205, 57708568527002410, 1157199837194069405 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,5 REFERENCES M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards Applied Math. Series 55, 1964 (and various reprintings), p. 429. 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 Alois P. Heinz, Table of n, a(n) for n = 0..200 M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards, Applied Math. Series 55, Tenth Printing, 1972 [alternative scanned copy]. MAPLE Digits := 60: A000167 := proc(n) round( evalf ( BesselK( n, 2 ) )); end; MATHEMATICA Table[BesselK[n, 2] // Round, {n, 0, 21}] (* Jean-François Alcover, Mar 12 2014 *) PROG (PARI) a(n)=round(besselk(n, 2)) \\ Charles R Greathouse IV, Jul 29 2016 CROSSREFS Sequence in context: A257544 A295944 A224140 * A241785 A109323 A014372 Adjacent sequences:  A000164 A000165 A000166 * A000168 A000169 A000170 KEYWORD nonn AUTHOR EXTENSIONS More terms from Herman P. Robinson STATUS approved

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Last modified August 21 12:14 EDT 2018. Contains 313940 sequences. (Running on oeis4.)