Eigensequence of A061554 regarded as a triangle: a(n) = Sum_{k=0..n-1} A061554(n-1,k)*a(k) with a(0)=1.
A125094
Eigensequence of A061554 regarded as a triangle: a(n) = Sum_{k=0..n-1} A061554(n-1,k)*a(k) with a(0)=1.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =5a(4) =13a(5) =36a(6) =104a(7) =313a(8) =977a(9) =3152a(10) =10486a(11) =35880a(12) =126039a(13) =453725a(14) =1671322a(15) =6291148a(16) =24170312a(17) =94680426a(18) =377788108a(19) =1534169595a(20) =6335718925a(21) =26589240583a(22) =113323479393a(23) =490203781505
External references
- oeis: A125094