Given (1) f(h,j,a) = ( [ ((a/gcd(a,h)) / gcd(j+1,(a/gcd(a,h)))) * (h(j+1)) ] - [ ((a/gcd(a,h)) / gcd(j+1,(a/gcd(a,h)))) * (ja) ] ) / a then let (2) a(h) = d(h,j) = lcm( f(h,j,1) ... f(h,j,h) ).
A091342
Given (1) f(h,j,a) = ( [ ((a/gcd(a,h)) / gcd(j+1,(a/gcd(a,h)))) * (h(j+1)) ] - [ ((a/gcd(a,h)) / gcd(j+1,(a/gcd(a,h)))) * (ja) ] ) / a then let (2) a(h) = d(h,j) = lcm( f(h,j,1) ... f(h,j,h) ).
Terms
- a(0) =1a(1) =3a(2) =10a(3) =105a(4) =252a(5) =2310a(6) =25740a(7) =45045a(8) =680680a(9) =11639628a(10) =10581480a(11) =223092870a(12) =1029659400a(13) =2868336900a(14) =77636318760
External references
- oeis: A091342