Final term in the rows of triangle A130457: a(n) = A130457(n, 3n), for n>=0.
A130458
Final term in the rows of triangle A130457: a(n) = A130457(n, 3n), for n>=0.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =7a(4) =35a(5) =212a(6) =1428a(7) =10267a(8) =77135a(9) =598181a(10) =4751615a(11) =38461850a(12) =316092109a(13) =2630445194a(14) =22120687226a(15) =187690113725
External references
- oeis: A130458