A276991 - cp's OEIS frontend

A276991 a(n) = ((phi; phi)_n - (1-phi; 1-phi)_n)/sqrt(5), where (q; q)_n is the q-Pochhammer symbol, phi = (1+sqrt(5))/2 is the golden ratio.

n	a(n)
0	0
1	-1
2	0
3	-2
4	8
5	-86
6	1448
7	-40608
8	1867080
9	-140055600
10	17085644400
11	-3383043446640
12	1085946439923840
13	-564694233102890880
14	475471874409018791040
15	-648068513405723438730240
16	1429638846930684965104992000
17	-5103811083889432701541321459200

[0, -1, 0, -2, 8, -86, 1448, -40608, 1867080, -140055600, 17085644400, -3383043446640, 1085946439923840, -564694233102890880, 475471874409018791040, -648068513405723438730240, 1429638846930684965104992000, -5103811083889432701541321459200]

cp's OEIS Frontend

A276991 a(n) = ((phi; phi)_n - (1-phi; 1-phi)_n)/sqrt(5), where (q; q)_n is the q-Pochhammer symbol, phi = (1+sqrt(5))/2 is the golden ratio.

Table of values

List of values