As a vector, shifts to the left when multiplied by A054521.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =2a(5) =5a(6) =3a(7) =12a(8) =7a(9) =21a(10) =12a(11) =55a(12) =18a(13) =122a(14) =41a(15) =171a(16) =85a(17) =474a(18) =121a(19) =1033a(20) =248a(21) =1479a(22) =527a(23) =3914a(24) =769a(25) =7258a(26) =1817a(27) =11637a(28) =3401a(29) =29836