a(n) = denominator of T(n, 2) with T(n, m) = Sum_{k=0..n}( 1/(m*k+1) * Sum_{j=0..m*k} (-1)^j*C(k,j)*j^(m*n) ).
A273197
a(n) = denominator of T(n, 2) with T(n, m) = Sum_{k=0..n}( 1/(m*k+1) * Sum_{j=0..m*k} (-1)^j*C(k,j)*j^(m*n) ).
Terms
- a(0) =1a(1) =3a(2) =15a(3) =105a(4) =15a(5) =1155a(6) =455a(7) =15a(8) =19635a(9) =95095a(10) =2145a(11) =31395a(12) =7735a(13) =2805a(14) =10818885a(15) =50115065a(16) =3315a(17) =596505a(18) =80925845a(19) =3795a(20) =18515805a(21) =221847535a(22) =2211105a(23) =204920500785a(24) =1453336885a(25) =148335a(26) =95055765a(27) =287558635a(28) =27897511785a(29) =397299047145
External references
- oeis: A273197