a(n) is the row number of the Trithoff (tribonacci) array where we can find the tail of the following sequence: apply the difference operator n times to the tribonacci sequence.

A354215

a(n) is the row number of the Trithoff (tribonacci) array where we can find the tail of the following sequence: apply the difference operator n times to the tribonacci sequence.

Terms

    a(0) =1a(1) =2a(2) =3a(3) =7a(4) =19a(5) =29a(6) =81a(7) =125a(8) =353a(9) =161a(10) =1545a(11) =705a(12) =2001a(13) =3089a(14) =8769a(15) =24897a(16) =38433a(17) =109121a(18) =309825a(19) =478273a(20) =1357953a(21) =2096257a(22) =5951873a(23) =2715905

External references