| ; A340867 a(n) = (prime(n) - a(n-1)) mod 4; a(0)=0. | |
| ; Coded manually 2021-03-28 by Simon Strandgaard, https://github.com/neoneye | |
| ; 0,2,1,0,3,0,1,0,3,0,1,2,3,2,1,2,3,0,1,2,1,0,3,0,1,0,1,2,1,0,1,2,1,0,3,2,1,0,3,0,1,2,3,0,1,0,3,0,3,0,1,0,3,2,1,0,3,2,1,0,1,2,3,0,3,2,3,0,1,2,3,2,1,2,3,0,3,2,3,2,3,0,1,2,3,0 | |
| mov $1,$0 | |
| seq $1,8347 ; a(n) = Sum_{i=0..n-1} (-1)^i * prime(n-i). | |
| mod $1,4 | |
| mov $0,$1 | |