%I #23 Sep 16 2022 15:25:08

%S 4,15,48,175,816,4851,34960,292743,2774040,29251651,339184776,

%T 4285584615,58571107168,860622082035,13525670637216,226358825764711,

%U 4018390654376520,75413358213752643,1491684815796629080,31014754853346045831,676190458445520562896

%N Equivalent of the Kurepa hypothesis for left factorial.

%H Romeo Mestrovic, <a href="http://arxiv.org/abs/1312.7037">Variations of Kurepa's left factorial hypothesis</a>, arXiv preprint arXiv:1312.7037 [math.NT], 2013.

%H Romeo Mestrovic, <a href="https://doi.org/10.2298/FIL1510207M">The Kurepa-Vandermonde matrices arising from Kurepa's left factorial hypothesis</a>, Filomat 29:10 (2015), 2207-2215; DOI 10.2298/FIL1510207M.

%F a(1)=4, a(2)=15, a(3)=48, a(n) = (n+1)*( a(n-1)-a(n-3)) - 3*a(n-2).

%F a(n) = (n+3)*A051403(n-1). - _Mohammed Bouras_, Aug 05 2022

%Y Cf. A051403.

%K nonn,easy

%O 1,1

%A _Aleksandar Petojevic_, Jan 28 2000

%E More terms from _James A. Sellers_, Jan 31 2000