Shifts 6 places right under inverse binomial transform.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =2a(7) =9a(8) =38a(9) =131a(10) =387a(11) =1025a(12) =2512a(13) =5834a(14) =13152a(15) =29805a(16) =71858a(17) =197325a(18) =635938a(19) =2311865a(20) =8867078a(21) =34201676a(22) =129669923a(23) =479650565a(24) =1731405819a(25) =6124746296a(26) =21382533684a(27) =74413732788a(28) =261584276096a(29) =943601869926