A372054 - OEIS

%I #13 Apr 24 2024 05:47:31

%S 1,5,10,21,36,67,92,137,172,231,320,373,482,575,646,753,902,1063,1160,

%T 1341,1492,1607,1818,1993,2226,2523,2728,2885,3104,3271,3504,4065,

%U 4324,4659,4866,5365,5588,5967,6358,6681,7094,7519,7784,8405,8686,9063,9354,10129,10928,11351

%N a(0)=1; thereafter a(n) = (n+1)*prime(n)+1.

%H Michael De Vlieger, <a href="/A372054/b372054.txt">Table of n, a(n) for n = 0..10000</a>

%F a(n) = 1+A164931(n+1). - _R. J. Mathar_, Apr 24 2024

%t {1}~Join~Array[(# + 1)*Prime[#] + 1 &, 49] (* _Michael De Vlieger_, Apr 22 2024 *)

%K nonn

%O 0,2

%A _N. J. A. Sloane_, Apr 22 2024, based on messages from _Thomas Scheuerle_ and _Paul D. Hanna_