A248463 - cp's OEIS frontend

A248463 Number of length 2+2 0..n arrays with no three consecutive terms having the sum of any two elements equal to twice the third.

n	a(n)
1	10
2	36
3	148
4	380
5	862
6	1652
7	2956
8	4860
9	7642
10	11400
11	16488
12	23044
13	31482
14	41952
15	54956
16	70672
17	89662
18	112128
19	138708
20	169632
21	205610
22	246884
23	294240
24	347960
25	408890
26	477324
27	554196
28	639828
29	735214
30	840700
31	957356
32	1085556
33	1226442

[10, 36, 148, 380, 862, 1652, 2956, 4860, 7642, 11400, 16488, 23044, 31482, 41952, 54956, 70672, 89662, 112128, 138708, 169632, 205610, 246884, 294240, 347960, 408890, 477324, 554196, 639828, 735214, 840700, 957356, 1085556, 1226442]

cp's OEIS Frontend

A248463 Number of length 2+2 0..n arrays with no three consecutive terms having the sum of any two elements equal to twice the third.

Table of values

List of values