A124679 a(n) = number of conjugacy classes in PSL_3(prime(n)).

6, 12, 30, 22, 132, 64, 306, 130, 552, 870, 334, 472, 1722, 634, 2256, 2862, 3540, 1264, 1522, 5112, 1804, 2110, 6972, 8010, 3172, 10302, 3574, 11556, 4000, 12882, 5422, 17292, 18906, 6490, 22350, 7654, 8272, 8914, 28056, 30102, 32220, 10984

Offset: 1

Author

N. J. A. Sloane, Dec 25 2006

Keywords

• nonn
• hard

Links

• Jason Kimberley, Table of n, a(n) for n = 1..54
• Jason Kimberley, Incomplete table of n, a(n) for n = 1..67

Crossrefs

Cf. A000702, A006951, A124678.

Programs

Magma

A124679 := func< n | NumberOfClasses(PSL(3,NthPrime(n))) >;

Extensions

a(7) to a(14) from Klaus Brockhaus, Dec 26 2006

a(15)..a(54) appended, from running MAGMA for 7 processor days at U. Newcastle, by Jason Kimberley, Feb 25 2011.

a(65)=32764 added to a124679.txt by Jason Kimberley, Mar 28 2011.