Numbers k such that k divides 1 + Sum_{j=1..k} prime(j)^5 = 1 + A122103(k).
A128169
Numbers k such that k divides 1 + Sum_{j=1..k} prime(j)^5 = 1 + A122103(k).
Terms
- a(0) =1a(1) =2a(2) =4a(3) =6a(4) =10a(5) =12a(6) =22a(7) =58a(8) =155a(9) =363a(10) =464a(11) =665a(12) =1146a(13) =2870a(14) =3048a(15) =4019a(16) =5931a(17) =8724a(18) =21503a(19) =50439a(20) =67560a(21) =476281a(22) =705570a(23) =4050684a(24) =6956459a(25) =7443590a(26) =10449928a(27) =10799546a(28) =15385564a(29) =17735139
External references
- oeis: A128169