Jacobsthal sequence A001045 convolved with A139251 (first differences of toothpick numbers).
A160704
Jacobsthal sequence A001045 convolved with A139251 (first differences of toothpick numbers).
Terms
- a(0) =1a(1) =3a(2) =9a(3) =19a(4) =41a(5) =87a(6) =181a(7) =363a(8) =729a(9) =1463a(10) =2933a(11) =5871a(12) =11753a(13) =23523a(14) =47061a(15) =94123a(16) =188249a(17) =376503a(18) =753013a(19) =1506031a(20) =3012073
External references
- oeis: A160704