%I #12 Oct 07 2017 21:03:33
%S 0,0,0,0,1855,41873,473414,3759915,23805016,127946132,605565989,
%T 2584498046,10113002933,36729043255,124992460002,401590336403,
%U 1225697257191,3571954259819,9982155789012,26849512929685
%N A class of Boolean functions of n variables and rank 5.
%D V. Jovovic, G. Kilibarda, On the number of Boolean functions in the Post classes F^{mu}_8, Diskretnaya Matematika, 11 (1999), no. 4, 127-138 (translated in Discrete Mathematics and Applications, 9, (1999), no. 6).
%H G. C. Greubel, <a href="/A051355/b051355.txt">Table of n, a(n) for n = 0..1000</a>
%H <a href="/index/Bo#Boolean">Index entries for sequences related to Boolean functions</a>
%F a(n) = n*(n-1)*(n-2)*(n-3)*(n^27 + 502*n^26 + 120801*n^25 + 18555450*n^24 + 2043896145*n^23 + 171959382510*n^22 + 11492866392285*n^21 + 626595483118170*n^20 + 28395669619525335*n^19 + 1084042810491338490*n^18 + 35186149524510636675*n^17 + 976432949265387426270*n^16 + 23217929244997797467115*n^15 + 472721672719078245765450*n^14 + 8216952258092593785438255*n^13 + 121453170291069318701426670*n^12 + 1521541491360927508366755180*n^11 + 16143766722952584357123061080*n^10 + 145316099588153228925752250320*n^9 + 1109949254515099247776167957920*n^8 + 7130381649450829873015538236224*n^7 + 37568515430020522274235444451968*n^6 + 155312640493406761927342466801664*n^5 + 454096256426890805548935873515520*n^4 + 591552291328659577837839697920000*n^3 - 1675192722572334765532729651200000*n^2 - 10419519305726773983271178403840000*n - 16705814064784578810837644083200000)/31!.
%K nonn
%O 0,5
%A _Vladeta Jovovic_, Goran Kilibarda