Triangle read by rows: T(n,k) = (-1)^(n-k) * r16(n-k) * 2^(3*b(k)) * sigma_3(O(k)), for k=1 to n, for n>=1 (see comments for terms used).
A193354
Triangle read by rows: T(n,k) = (-1)^(n-k) * r16(n-k) * 2^(3*b(k)) * sigma_3(O(k)), for k=1 to n, for n>=1 (see comments for terms used).
Terms
- a(0) =1a(1) =-32a(2) =8a(3) =480a(4) =-256a(5) =28a(6) =-4480a(7) =3840a(8) =-896a(9) =64a(10) =29152a(11) =-35840a(12) =13440a(13) =-2048a(14) =126a(15) =-140736a(16) =233216a(17) =-125440a(18) =30720a(19) =-4032a(20) =224a(21) =525952a(22) =-1125888a(23) =816256a(24) =-286720a(25) =60480a(26) =-7168a(27) =344a(28) =-1580800a(29) =4207616
External references
- oeis: A193354