Distinct numbers in writing first numerator and then denominator of the central elements of the 1/3-Pascal triangle (by row).
A046545
Distinct numbers in writing first numerator and then denominator of the central elements of the 1/3-Pascal triangle (by row).
Terms
- a(0) =1a(1) =3a(2) =8a(3) =10a(4) =110a(5) =406a(6) =504a(7) =1892a(8) =7150a(9) =27170a(10) =311168a(11) =1192516a(12) =1528436a(13) =17681020a(14) =68346800a(15) =88256520a(16) =342551190a(17) =1331805570a(18) =5185791600a(19) =20220038300a(20) =78937755820a(21) =308513659740
External references
- oeis: A046545