Irregular triangle read by rows: mean version of Girard-Waring formula A210258, for m = 3 data values.
A287768
Irregular triangle read by rows: mean version of Girard-Waring formula A210258, for m = 3 data values.
Terms
- a(0) =1a(1) =3a(2) =-2a(3) =9a(4) =-9a(5) =1a(6) =27a(7) =-36a(8) =4a(9) =6a(10) =81a(11) =-135a(12) =15a(13) =45a(14) =-5a(15) =243a(16) =-486a(17) =54a(18) =243a(19) =-36a(20) =-18a(21) =1a(22) =729a(23) =-1701a(24) =189a(25) =1134a(26) =-189a(27) =-189a(28) =7a(29) =21
External references
- oeis: A287768