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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].

Index entries for sequences related to Bessel functions or polynomials

MAPLE

Digits := 60: A000167 := proc(n) round( evalf ( BesselK( n, 2 ) )); end;

MATHEMATICA

Table[BesselK[n, 2] // Round, {n, 0, 21}] (* Jean-Fran├žois Alcover, Mar 12 2014 *)

PROG

(PARI) a(n)=round(besselk(n, 2)) \\ Charles R Greathouse IV, Jul 29 2016

CROSSREFS

Sequence in context: A191005 A257544 A224140 * A241785 A109323 A014372

Adjacent sequences:  A000164 A000165 A000166 * A000168 A000169 A000170

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

EXTENSIONS

More terms from Herman P. Robinson

STATUS

approved

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Last modified November 19 01:27 EST 2017. Contains 294912 sequences.