A037167 - OEIS

%I #8 Dec 31 2023 10:12:06

%S 3,10,28,66,130,204,304,414,638,868,1110,1476,1720,1974,2438,3068,

%T 3538,4020,4686,5110,5688,6474,7298,8536,9696,10300,10914,11554,12204,

%U 14224,16506,17810,18904,20562,22348,23550,25428,27054,28718,30788,32218

%N a(n) = prime(n)*prime(n+1)-prime(n+1).

%C a(n) = A000040(n+1)*A006093(n). - _Michel Marcus_, Jun 30 2013

%t Table[Prime[n]*Prime[n + 1] - Prime[n + 1], {n, 60}] (* _Wesley Ivan Hurt_, Dec 31 2023 *)

%o (PARI) a(n) = prime(n+1)*(prime(n) - 1) \\ _Michel Marcus_, Jun 30 2013

%Y Cf. A000040, A006093.

%K nonn

%O 1,1

%A Armand Turpel armandt(AT)unforgettable.com