(-1)sigma sequence: a(n) = (-1)sigma(a(n-1)), where if (-1)sigma(k) = A049060(k) and a(1) = 624.

Terms

a(0) =624a(1) =696a(2) =728a(3) =936a(4) =1716a(5) =1200a(6) =1682a(7) =869a(8) =780a(9) =480a(10) =488a(11) =780a(12) =480a(13) =488a(14) =780a(15) =480a(16) =488a(17) =780a(18) =480a(19) =488a(20) =780a(21) =480a(22) =488a(23) =780a(24) =480a(25) =488a(26) =780a(27) =480a(28) =488a(29) =780