Indices of zeros in A327442.

Terms

a(0) =0a(1) =2a(2) =4a(3) =13a(4) =145a(5) =416a(6) =621a(7) =1856a(8) =4730a(9) =5163a(10) =8113a(11) =18260a(12) =142396a(13) =1650399a(14) =6569927a(15) =19975865a(16) =23773865a(17) =371728346a(18) =517406582a(19) =642281555a(20) =864490611a(21) =1352215149a(22) =1503350552