OFFSET
0,6
COMMENTS
The sequence of indices of zeros begins: 0, 1, 22, 44, 355, 710, 1065, 1420, 1775, 2130, 2485, 2840, 3195, 260515, 312689.
LINKS
David A. Corneth, Table of n, a(n) for n = 0..9999
MATHEMATICA
Table[Floor[n Sin[n] Cos[n]], {n, 0, 80}] (* Harvey P. Dale, Feb 10 2022 *)
PROG
(Python)
import math, matplotlib.pyplot as plt
x = [n for n in range(5000)]
y = [int(math.floor(n*math.cos(n)*math.sin(n))) for n in x]
print(y)
plt.show(plt.scatter(x, y, s=5))
(Magma) [Floor(n*Sin(n)*Cos(n)) : n in [0..80]]; // Wesley Ivan Hurt, Aug 19 2022
CROSSREFS
KEYWORD
AUTHOR
Alex Ratushnyak, Mar 07 2020
STATUS
approved