A170931 - cp's OEIS frontend

A170931 Extended Lucas L(n,i) = n(L(n,i-1) + L(n,i-2)) = a^i + b^i where d = sqrt(n(n+4)); a=(n+d)/2; b=(n-d)/2.

n	a(n)
0	2
1	4
2	24
3	112
4	544
5	2624
6	12672
7	61184
8	295424
9	1426432
10	6887424
11	33255424
12	160571392
13	775307264
14	3743514624
15	18075287552
16	87275208704
17	421401985024
18	2034708774912
19	9824443039744
20	47436607258624
21	229044201193472

[2, 4, 24, 112, 544, 2624, 12672, 61184, 295424, 1426432, 6887424, 33255424, 160571392, 775307264, 3743514624, 18075287552, 87275208704, 421401985024, 2034708774912, 9824443039744, 47436607258624, 229044201193472]

cp's OEIS Frontend

A170931 Extended Lucas L(n,i) = n(L(n,i-1) + L(n,i-2)) = a^i + b^i where d = sqrt(n(n+4)); a=(n+d)/2; b=(n-d)/2.

Table of values

List of values

cp's OEIS Frontend

A170931 Extended Lucas L(n,i) = n*(L(n,i-1) + L(n,i-2)) = a^i + b^i where d = sqrt(n*(n+4)); a=(n+d)/2; b=(n-d)/2.

Table of values

List of values

A170931 Extended Lucas L(n,i) = n(L(n,i-1) + L(n,i-2)) = a^i + b^i where d = sqrt(n(n+4)); a=(n+d)/2; b=(n-d)/2.