Tribonacci equivalent of mousetrap sequence (A002467).

A104470

Tribonacci equivalent of mousetrap sequence (A002467).

Terms

    a(0) =1a(1) =1a(2) =1a(3) =9a(4) =44a(5) =270a(6) =1938a(7) =15764a(8) =143776a(9) =1453302a(10) =16128420a(11) =194980478a(12) =2550746400a(13) =35904118874a(14) =541097840528

External references