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A019267 From an asymptotic expansion for Pi. 0
1, 1, 1, -1, -5, 23, 53, -593, -5165, 110123, 231743, -8113223, -33497425, 1744764499, 3563384029, -258115578289, -4191097954685, 402402297433523, 813628574192123, -99925014024526283, -403078530716889835, 61606956815080291849 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,5

REFERENCES

R. L. Graham, D. E. Knuth and O. Patashnik, Concrete Mathematics. Addison-Wesley, Reading, MA, 1990, p. 481.

LINKS

Table of n, a(n) for n=0..21.

MAPLE

v := asympt(16^n/(2*n)!^2*n!^4/n, n, 24); seq(numer(op(i, v)), i=1..nops(v));

CROSSREFS

Sequence in context: A082277 A289154 A155851 * A053664 A186030 A092544

Adjacent sequences:  A019264 A019265 A019266 * A019268 A019269 A019270

KEYWORD

sign

AUTHOR

Simon Plouffe

STATUS

approved

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Last modified November 13 13:15 EST 2018. Contains 317149 sequences. (Running on oeis4.)