A118348 - cp's OEIS frontend

A118348 Semi-diagonal (two rows below central terms) of pendular triangle A118345 and equal to the self-convolution cube of the central terms (A118346).

n	a(n)
0	1
1	3
2	18
3	121
4	873
5	6606
6	51728
7	415629
8	3407391
9	28388847
10	239675406
11	2045980440
12	17629939980
13	153142537440
14	1339599358944
15	11789960853293
16	104327344928619
17	927627432162129
18	8283625668834238
19	74259685465582569
20	668054892245119353

[1, 3, 18, 121, 873, 6606, 51728, 415629, 3407391, 28388847, 239675406, 2045980440, 17629939980, 153142537440, 1339599358944, 11789960853293, 104327344928619, 927627432162129, 8283625668834238, 74259685465582569, 668054892245119353]

cp's OEIS Frontend

A118348 Semi-diagonal (two rows below central terms) of pendular triangle A118345 and equal to the self-convolution cube of the central terms (A118346).

Table of values

List of values