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].
FORMULA
b(n) = (n-1)*b(n-1) + b(n-2) with b(n) = K_n(2). - Christian Krause, Dec 08 2023
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
KEYWORD
nonn
AUTHOR
EXTENSIONS
More terms from Herman P. Robinson
STATUS
approved