Symmetrical triangle read by rows: T(n, k) = m*(T(n-1, k-1) + T(n-1, k)), where T(n, 1) = T(n, n) = n, and m = 2.
A177696
Symmetrical triangle read by rows: T(n, k) = m*(T(n-1, k-1) + T(n-1, k)), where T(n, 1) = T(n, n) = n, and m = 2.
Terms
- a(0) =1a(1) =2a(2) =2a(3) =3a(4) =8a(5) =3a(6) =4a(7) =22a(8) =22a(9) =4a(10) =5a(11) =52a(12) =88a(13) =52a(14) =5a(15) =6a(16) =114a(17) =280a(18) =280a(19) =114a(20) =6a(21) =7a(22) =240a(23) =788a(24) =1120a(25) =788a(26) =240a(27) =7a(28) =8a(29) =494
External references
- oeis: A177696