A124681 a(n) = number of conjugacy classes in PSL_4(prime(n)).

14, 29, 49, 217, 757, 613, 1327, 3661, 6409, 6349, 15457, 13057, 17707, 40789, 53137, 37993, 104581, 57757, 152797

Offset

1,1

Links

Table of n, a(n) for n=1..19.

Prog

(Magma) A124681 := func< n | NumberOfClasses(PSL(4, NthPrime(n))) >;

Crossrefs

Cf. A000702, A006951, A124679, A124678.

Sequence in context: A046045 A132756 A192836 * A195145 A263119 A196305

Adjacent sequences: A124678 A124679 A124680 * A124682 A124683 A124684

Keyword

nonn,more

Author

N. J. A. Sloane, Dec 25 2006

Extensions

a(5) and a(6) from Klaus Brockhaus, Dec 26 2006 and Oct 09 2010

a(7)..a(14) appended, from running MAGMA for 32 processor hours at U. Newcastle, by Jason Kimberley, Feb 09 2011.

a(15)-a(19) from Robin Visser, Oct 01 2023

Status

approved