Positions k such that A097465(k) and A097465(k+1) are odd.

Terms

a(0) =1a(1) =2a(2) =7a(3) =12a(4) =41a(5) =100a(6) =521a(7) =1150a(8) =10391a(9) =15008a(10) =255247a(11) =1786778a(12) =4849835a(13) =5870858a(14) =6561553a(15) =557732162a(16) =3234846601a(17) =3457939474a(18) =4360010651