a(0)=1, a(1)=3, and the INVERT transform of the sequence deletes the 3.
A259845
a(0)=1, a(1)=3, and the INVERT transform of the sequence deletes the 3.
Terms
- a(0) =1a(1) =3a(2) =4a(3) =11a(4) =38a(5) =136a(6) =512a(7) =1993a(8) =7958a(9) =32420a(10) =134216a(11) =563030a(12) =2388092a(13) =10224320a(14) =44127328a(15) =191783029a(16) =838623654a(17) =3686965308a(18) =16287624440a(19) =72262899994a(20) =321852273332
External references
- oeis: A259845