Column 1 of triangle A125653; also equals the eigensequence of triangle A125653.
A125654
Column 1 of triangle A125653; also equals the eigensequence of triangle A125653.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =4a(4) =9a(5) =24a(6) =75a(7) =269a(8) =1091a(9) =4940a(10) =24699a(11) =135141a(12) =803122a(13) =5150259a(14) =35436569a(15) =260300079a(16) =2032260757a(17) =16798435176a(18) =146498077799
External references
- oeis: A125654