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A177744 Number of conjugacy classes in PSL_2(q) as q runs through the primes and prime powers. 1
3, 4, 5, 5, 6, 9, 7, 8, 9, 17, 11, 12, 14, 15, 16, 17, 18, 33, 21, 23, 24, 26, 27, 29, 32, 33, 65, 36, 38, 39, 42, 43, 44, 47, 51, 53, 54, 56, 57, 59, 63, 65, 66, 129, 68, 71, 72, 77, 78, 81, 84, 86, 87, 89, 92, 93, 98, 99, 101, 102, 108, 114, 116, 117, 119, 122, 123, 124, 128 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..69.

PROG

(MAGMA) [ NumberOfClasses(PSL(2, q)):q in [2..251] | IsPrimePower(q) ];

CROSSREFS

q = A000961(n+1).

This is the row length sequence for A060247.

Cf. A124678.

Sequence in context: A200066 A227789 A116183 * A061146 A082514 A227215

Adjacent sequences:  A177741 A177742 A177743 * A177745 A177746 A177747

KEYWORD

easy,nonn

AUTHOR

Jason Kimberley, May 22 2010

STATUS

approved

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Last modified June 16 14:56 EDT 2019. Contains 324152 sequences. (Running on oeis4.)