A328467 Row 4 of A328464: a(n) = A276156(16n - 8) / 30.

1, 8, 78, 85, 1002, 1009, 1079, 1086, 17018, 17025, 17095, 17102, 18019, 18026, 18096, 18103, 323324, 323331, 323401, 323408, 324325, 324332, 324402, 324409, 340341, 340348, 340418, 340425, 341342, 341349, 341419, 341426, 7436430, 7436437, 7436507, 7436514, 7437431, 7437438, 7437508, 7437515, 7453447, 7453454, 7453524

Offset: 1

Author

Antti Karttunen, Oct 18 2019

Keywords

• nonn

Links

• Antti Karttunen, Table of n, a(n) for n = 1..8192
• Index entries for sequences related to primorial base

Crossrefs

Row 4 of A328464.

Cf. A002110, A276156, A328461.

Programs

PARI

A002110(n) = prod(i=1,n,prime(i));
A276156(n) = { my(p=2,pr=1,s=0); while(n,if(n%2,s += pr); n >>= 1; pr *= p; p = nextprime(1+p)); (s); };
A328467(n) = (A276156((16*n)-8) / 30);

Formula

a(n) = (1/30) * A276156(16*n - 8).