Self-convolution of A092684.

Terms

a(0) =1a(1) =2a(2) =5a(3) =10a(4) =22a(5) =46a(6) =97a(7) =200a(8) =412a(9) =844a(10) =1729a(11) =3536a(12) =7227a(13) =14754a(14) =30093a(15) =61312a(16) =124782a(17) =253664a(18) =515085a(19) =1044796a(20) =2117158a(21) =4286330a(22) =8671103a(23) =17529304a(24) =35416016a(25) =71518510a(26) =144362774a(27) =291299094a(28) =587617054a(29) =1185060666