a(n) = (1/C(n,0) + 1/C(n,1) + ... + 1/C(n,k))*L, where k = [ n/2 ], L = LCM{C(n,0), C(n,1),..., C(n,n)}.
A025534
a(n) = (1/C(n,0) + 1/C(n,1) + ... + 1/C(n,k))*L, where k = [ n/2 ], L = LCM{C(n,0), C(n,1),..., C(n,n)}.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =4a(4) =17a(5) =13a(6) =77a(7) =128a(8) =334a(9) =292a(10) =2871a(11) =2588a(12) =30697a(13) =28211a(14) =26121a(15) =48640a(16) =773828a(17) =727240a(18) =13035026a(19) =12337264a(20) =11711342a(21) =11146396a(22) =244579999a(23) =233836352a(24) =1120013966a(25) =1074836584a(26) =3099540819a(27) =2983938788a(28) =83423830027a(29) =80530073893
External references
- oeis: A025534