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 A006168 Number of factorization patterns of polynomials of degree n over F_3. (Formerly M2461) 3

%I M2461 #16 Nov 04 2017 00:27:17

%S 1,3,5,10,15,29,42,72,107,170,246,383,542,810,1145,1662,2311,3305,

%T 4537,6363,8677,11974,16159,22068,29504,39811,52887,70632,93102,

%U 123362,161473,212198,276185,360270,466090,604267,777399,1001656,1282456

%N Number of factorization patterns of polynomials of degree n over F_3.

%D R. A. Hultquist, G. L. Mullen and H. Niederreiter, Association schemes and derived PBIB designs of prime power order, Ars. Combin., 25 (1988), 65-82.

%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

%H T. D. Noe, <a href="/A006168/b006168.txt">Table of n, a(n) for n=1..1000</a>

%H R. A. Hultquist, G. L. Mullen and H. Niederreiter, <a href="/A006167/a006167.pdf">Association schemes and derived PBIB designs of prime power order</a>, Ars. Combin., 25 (1988), 65-82. (Annotated scanned copy)

%F Euler transform of sequence b(n) = sum_{d|n, A027376(d)>=n/d} 1. - _Franklin T. Adams-Watters_, Jun 19 2006

%Y Cf. A006167-A006171.

%Y Cf. A027376.

%K nonn

%O 1,2

%A _N. J. A. Sloane_.

%E More terms from _Franklin T. Adams-Watters_, Jun 19 2006

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Last modified September 8 15:49 EDT 2024. Contains 375753 sequences. (Running on oeis4.)