A274390 - cp's OEIS frontend

A274390 Table of coefficients in the iterations of Euler's tree function (A000169), as read by antidiagonals.

n	a(n)
0	1
1	1
2	0
3	1
4	2
5	0
6	1
7	4
8	9
9	0
10	1
11	6
12	30
13	64
14	0
15	1
16	8
17	63
18	332
19	625
20	0
21	1
22	10
23	108
24	948
25	4880
26	7776
27	0
28	1
29	12
30	165
31	2056
32	18645
33	89742
34	117649
35	0
36	1
37	14
38	234
39	3800
40	50680
41	454158
42	1986124
43	2097152
44	0
45	1
46	16
47	315
48	6324
49	112625
50	1537524
51	13221075
52	51471800
53	43046721
54	0
55	1
56	18
57	408
58	9772
59	219000
60	4090980
61	55494712
62	448434136
63	1530489744
64	1000000000
65	0
66	1
67	20
68	513
69	14288
70	387205
71	9266706
72	176238685
73	2325685632
74	17386204761
75	51395228090
76	25937424601
77	0
78	1
79	22
80	630
81	20016
82	637520
83	18704322
84	463975764
85	8793850560
86	111107380464
87	759123121050
88	1924687118684
89	743008370688
90	0
91	1
92	24
93	759
94	27100
95	993105
96	34617288
97	1067280319
98	26858490392
99	499217336145
100	5964692819140
101	36882981687519
102	79553145323940
103	23298085122481
104	0

[1, 1, 0, 1, 2, 0, 1, 4, 9, 0, 1, 6, 30, 64, 0, 1, 8, 63, 332, 625, 0, 1, 10, 108, 948, 4880, 7776, 0, 1, 12, 165, 2056, 18645, 89742, 117649, 0, 1, 14, 234, 3800, 50680, 454158, 1986124, 2097152, 0, 1, 16, 315, 6324, 112625, 1537524, 13221075, 51471800, 43046721, 0, 1, 18, 408, 9772, 219000, 4090980, 55494712, 448434136, 1530489744, 1000000000, 0, 1, 20, 513, 14288, 387205, 9266706, 176238685, 2325685632, 17386204761, 51395228090, 25937424601, 0, 1, 22, 630, 20016, 637520, 18704322, 463975764, 8793850560, 111107380464, 759123121050, 1924687118684, 743008370688, 0, 1, 24, 759, 27100, 993105, 34617288, 1067280319, 26858490392, 499217336145, 5964692819140, 36882981687519, 79553145323940, 23298085122481, 0]

cp's OEIS Frontend

A274390 Table of coefficients in the iterations of Euler's tree function (A000169), as read by antidiagonals.

Table of values

List of values