%I #10 Nov 08 2021 08:05:49
%S 11,8,3,11,5,6,11,2,9,10,1,11,7,4,11,4,7,11,1,10,9,2,11,6,5,11,3,8,11,
%T 11,8,3,11,5,6,11,2,9,10,1,11,7,4,11,4,7,11,1,10,9,2,11,6,5,11,3,8,11,
%U 11,8,3,11,5,6,11,2,9,10,1,11,7,4,11,4,7,11,1,10,9,2,11,6,5,11,3,8,11
%N Differences between successive multiples of either 11 or 19.
%t With[{nn=90},Differences[Union[Join[11*Range[0,nn],19*Range[0,nn]]]]] (* _Harvey P. Dale_, Jan 30 2015 *)
%o (PARI) maxn=100; i11=0; i19=0; n=1; {until(n>maxn, a=min(i11*11,i19*19); if(n>1,print1(a-last ","); ); last=a; n++; if(a/11==i11,i11++); if(a/19==i19,i19++); ); }
%o (Python)
%o def diff(lst):
%o return [lst[i+1]-lst[i] for i in range(len(lst)-1)]
%o def auptomult(N):
%o return diff(sorted(set([k*i for k in [11, 19] for i in range(N//k+1)])))
%o print(auptomult(630)) # _Michael S. Branicky_, Nov 08 2021
%K nonn
%O 0,1
%A _Jon Perry_, Jul 22 2003
%E Corrected and extended by _Ray Chandler_, Aug 10 2003