597793996800domain: NAppears in sequencesDenominators of Taylor series for 1/(sin x + tan x).at n=7A009724Denominators of expansion for Debye function for n=2: D(2,x).at n=14A120085Number of permutations of 1..n with no element e[i>=2]<e[1+floor((i-2)/6)] (6-way heap).at n=17A178011