Triangle read by rows: T(n, k) = v(n, k)*((1/v(n, k)) mod prime(k)), where v(n, k) = (Product_{j=1..n} prime(j))/prime(k), n >= 1, 1 <= k <= n.
A240673
Triangle read by rows: T(n, k) = v(n, k)*((1/v(n, k)) mod prime(k)), where v(n, k) = (Product_{j=1..n} prime(j))/prime(k), n >= 1, 1 <= k <= n.
Terms
- a(0) =1a(1) =3a(2) =4a(3) =15a(4) =10a(5) =6a(6) =105a(7) =70a(8) =126a(9) =120a(10) =1155a(11) =1540a(12) =1386a(13) =330a(14) =210a(15) =15015a(16) =20020a(17) =6006a(18) =25740a(19) =16380a(20) =6930a(21) =255255a(22) =170170a(23) =306306a(24) =145860a(25) =46410a(26) =157080a(27) =450450a(28) =4849845a(29) =3233230
External references
- oeis: A240673