Triangle read by rows: a(1,1) = 1. a(m,m) = sum of all terms in rows 1 through m-1. a(m,n) = a(m-1,n) + (sum of all terms in rows 1 through m-1), for n < m.
A159927
Triangle read by rows: a(1,1) = 1. a(m,m) = sum of all terms in rows 1 through m-1. a(m,n) = a(m-1,n) + (sum of all terms in rows 1 through m-1), for n < m.
Terms
- a(0) =1a(1) =2a(2) =1a(3) =6a(4) =5a(5) =4a(6) =25a(7) =24a(8) =23a(9) =19a(10) =135a(11) =134a(12) =133a(13) =129a(14) =110a(15) =886a(16) =885a(17) =884a(18) =880a(19) =861a(20) =751a(21) =6784a(22) =6783a(23) =6782a(24) =6778a(25) =6759a(26) =6649a(27) =5898a(28) =59115a(29) =59114
External references
- oeis: A159927