#include<bits/stdc++.h>
using namespace std;
typedef long long LL;
inline int read(){
	char ch=getchar();
	while(!isdigit(ch) && ch!='-') ch=getchar();
	int x=0,ff=1; if(ch=='-') ff=-1,ch=getchar();
	while(isdigit(ch)) x=(x<<3) + (x<<1) + (ch^48),ch=getchar();
	return x*ff;
}
const int N=5e5+5;
LL a[N];
int n=5e5,b=1e5;
int main(){
	a[1]=2e11;
	for(int t=2;t<=b;t++){
		int i=t*2-1,bx=n-i+1;
		LL v=a[i-2]*4+1,w=0;
		if(v%bx!=0) w=bx-v%bx;
		v+=w; a[i-1]=a[i-2]+w+1; a[i]=a[i-2]+v/bx;
	}
	for(int i=2*b;i<=n;i++) a[i]=a[i-1]+1;
	printf("%d\n",n);
	for(int i=1;i<=n;i++) printf("%lld ",a[i]);
	return 0;
}
/*
g++ 1.cpp -o 1 -std=c++20 -Wall -Wl,-stack=999999999
*/