A366150 a(n) = A366149(n, n).
1, 1, 8, 190, 9080, 725320, 87067520, 14652451360, 3291452374400, 951504315644800, 344097665398707200, 152191547632887731200, 80821740082953347993600, 50749489515964112842240000, 37193794460546391363092480000, 31464706192542487393274091520000
Offset: 0
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