A274391 - cp's OEIS frontend

A274391 Table of coefficients in functions that satisfy W_n(x) = W_{n-1}(x)^W_n(x), with W_0(x) = exp(x), as read by antidiagonals.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	3
9	1
10	1
11	1
12	5
13	16
14	1
15	1
16	1
17	7
18	43
19	125
20	1
21	1
22	1
23	9
24	82
25	525
26	1296
27	1
28	1
29	1
30	11
31	133
32	1345
33	8321
34	16807
35	1
36	1
37	1
38	13
39	196
40	2729
41	28396
42	162463
43	262144
44	1
45	1
46	1
47	15
48	271
49	4821
50	71721
51	734149
52	3774513
53	4782969
54	1
55	1
56	1
57	17
58	358
59	7765
60	151376
61	2300485
62	22485898
63	101808185
64	100000000
65	1
66	1
67	1
68	19
69	457
70	11705
71	283321
72	5787931
73	87194689
74	796769201
75	3129525793
76	2357947691
77	1
78	1
79	1
80	21
81	568
82	16785
83	486396
84	12567187
85	261066156
86	3815719969
87	32084546824
88	108063152091
89	61917364224
90	1
91	1
92	1
93	23
94	691
95	23149
96	782321
97	24539593
98	656778529
99	13577077401
100	189440927857
101	1447917011461
102	4143297446729
103	1792160394037
104	1
105	1
106	1
107	25
108	826
109	30941
110	1195696
111	44223529
112	1457297878
113	39536713209
114	800175234736
115	10525328121221
116	72411962077126
117	174723134310277
118	56693912375296
119	1

[1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 5, 16, 1, 1, 1, 7, 43, 125, 1, 1, 1, 9, 82, 525, 1296, 1, 1, 1, 11, 133, 1345, 8321, 16807, 1, 1, 1, 13, 196, 2729, 28396, 162463, 262144, 1, 1, 1, 15, 271, 4821, 71721, 734149, 3774513, 4782969, 1, 1, 1, 17, 358, 7765, 151376, 2300485, 22485898, 101808185, 100000000, 1, 1, 1, 19, 457, 11705, 283321, 5787931, 87194689, 796769201, 3129525793, 2357947691, 1, 1, 1, 21, 568, 16785, 486396, 12567187, 261066156, 3815719969, 32084546824, 108063152091, 61917364224, 1, 1, 1, 23, 691, 23149, 782321, 24539593, 656778529, 13577077401, 189440927857, 1447917011461, 4143297446729, 1792160394037, 1, 1, 1, 25, 826, 30941, 1195696, 44223529, 1457297878, 39536713209, 800175234736, 10525328121221, 72411962077126, 174723134310277, 56693912375296, 1]

cp's OEIS Frontend

A274391 Table of coefficients in functions that satisfy W_n(x) = W_{n-1}(x)^W_n(x), with W_0(x) = exp(x), as read by antidiagonals.

Table of values

List of values