A198890 - cp's OEIS frontend

A198890 Irregular triangle read by rows: row n gives expansion of g.f. for descending plane partitions of order n with no special parts and weight equal to sum of the parts.

n	a(n)
1	1
2	1
3	0
4	1
5	1
6	0
7	1
8	1
9	0
10	1
11	1
12	0
13	1
14	1
15	0
16	1
17	1
18	1
19	1
20	2
21	1
22	2
23	1
24	2
25	1
26	2
27	1
28	2
29	1
30	1
31	1
32	1
33	0
34	1
35	1
36	0
37	1
38	1
39	1
40	2
41	2
42	2
43	3
44	2
45	4
46	3
47	4
48	4
49	4
50	5
51	4
52	5
53	5
54	4
55	6
56	4
57	5
58	5
59	4
60	5
61	4
62	4
63	4
64	3
65	4
66	2
67	3
68	2
69	2
70	2
71	1
72	1
73	1
74	0
75	1
76	1
77	0
78	1
79	1
80	1
81	2
82	3
83	2
84	4
85	3
86	5
87	5
88	7
89	6
90	8
91	8
92	9
93	10
94	12
95	10
96	14
97	12
98	14
99	15
100	16
101	15
102	18
103	16
104	18
105	18
106	20
107	17
108	21
109	18
110	20
111	20
112	20
113	18
114	21
115	17
116	20
117	18
118	18
119	16
120	18
121	15
122	16
123	15
124	14
125	12
126	14
127	10
128	12
129	10
130	9
131	8
132	8
133	6
134	7
135	5
136	5
137	3
138	4
139	2
140	3
141	2
142	1
143	1
144	1
145	0
146	1

[1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 2, 2, 2, 3, 2, 4, 3, 4, 4, 4, 5, 4, 5, 5, 4, 6, 4, 5, 5, 4, 5, 4, 4, 4, 3, 4, 2, 3, 2, 2, 2, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 2, 3, 2, 4, 3, 5, 5, 7, 6, 8, 8, 9, 10, 12, 10, 14, 12, 14, 15, 16, 15, 18, 16, 18, 18, 20, 17, 21, 18, 20, 20, 20, 18, 21, 17, 20, 18, 18, 16, 18, 15, 16, 15, 14, 12, 14, 10, 12, 10, 9, 8, 8, 6, 7, 5, 5, 3, 4, 2, 3, 2, 1, 1, 1, 0, 1]

cp's OEIS Frontend

A198890 Irregular triangle read by rows: row n gives expansion of g.f. for descending plane partitions of order n with no special parts and weight equal to sum of the parts.

Table of values

List of values

n	a(n)
1	1
2	1
3	0
4	1
5	1
6	0
7	1
8	1
9	0
10	1
11	1
12	0
13	1
14	1
15	0
16	1
17	1
18	1
19	1
20	2
21	1
22	2
23	1
24	2
25	1
26	2
27	1
28	2
29	1
30	1
31	1
32	1
33	0
34	1
35	1
36	0
37	1
38	1
39	1
40	2
41	2
42	2
43	3
44	2
45	4
46	3
47	4
48	4
49	4
50	5
51	4
52	5
53	5
54	4
55	6
56	4
57	5
58	5
59	4
60	5
61	4
62	4
63	4
64	3
65	4
66	2
67	3
68	2
69	2
70	2
71	1
72	1
73	1
74	0
75	1
76	1
77	0
78	1
79	1
80	1
81	2
82	3
83	2
84	4
85	3
86	5
87	5
88	7
89	6
90	8
91	8
92	9
93	10
94	12
95	10
96	14
97	12
98	14
99	15
100	16
101	15
102	18
103	16
104	18
105	18
106	20
107	17
108	21
109	18
110	20
111	20
112	20
113	18
114	21
115	17
116	20
117	18
118	18
119	16
120	18
121	15
122	16
123	15
124	14
125	12
126	14
127	10
128	12
129	10
130	9
131	8
132	8
133	6
134	7
135	5
136	5
137	3
138	4
139	2
140	3
141	2
142	1
143	1
144	1
145	0
146	1

n	a(n)
1	1
2	1
3	0
4	1
5	1
6	0
7	1
8	1
9	0
10	1
11	1
12	0
13	1
14	1
15	0
16	1
17	1
18	1
19	1
20	2
21	1
22	2
23	1
24	2
25	1
26	2
27	1
28	2
29	1
30	1
31	1
32	1
33	0
34	1
35	1
36	0
37	1
38	1
39	1
40	2
41	2
42	2
43	3
44	2
45	4
46	3
47	4
48	4
49	4
50	5
51	4
52	5
53	5
54	4
55	6
56	4
57	5
58	5
59	4
60	5
61	4
62	4
63	4
64	3
65	4
66	2
67	3
68	2
69	2
70	2
71	1
72	1
73	1
74	0
75	1
76	1
77	0
78	1
79	1
80	1
81	2
82	3
83	2
84	4
85	3
86	5
87	5
88	7
89	6
90	8
91	8
92	9
93	10
94	12
95	10
96	14
97	12
98	14
99	15
100	16
101	15
102	18
103	16
104	18
105	18
106	20
107	17
108	21
109	18
110	20
111	20
112	20
113	18
114	21
115	17
116	20
117	18
118	18
119	16
120	18
121	15
122	16
123	15
124	14
125	12
126	14
127	10
128	12
129	10
130	9
131	8
132	8
133	6
134	7
135	5
136	5
137	3
138	4
139	2
140	3
141	2
142	1
143	1
144	1
145	0
146	1

n	a(n)
1	1
2	1
3	0
4	1
5	1
6	0
7	1
8	1
9	0
10	1
11	1
12	0
13	1
14	1
15	0
16	1
17	1
18	1
19	1
20	2
21	1
22	2
23	1
24	2
25	1
26	2
27	1
28	2
29	1
30	1
31	1
32	1
33	0
34	1
35	1
36	0
37	1
38	1
39	1
40	2
41	2
42	2
43	3
44	2
45	4
46	3
47	4
48	4
49	4
50	5
51	4
52	5
53	5
54	4
55	6
56	4
57	5
58	5
59	4
60	5
61	4
62	4
63	4
64	3
65	4
66	2
67	3
68	2
69	2
70	2
71	1
72	1
73	1
74	0
75	1
76	1
77	0
78	1
79	1
80	1
81	2
82	3
83	2
84	4
85	3
86	5
87	5
88	7
89	6
90	8
91	8
92	9
93	10
94	12
95	10
96	14
97	12
98	14
99	15
100	16
101	15
102	18
103	16
104	18
105	18
106	20
107	17
108	21
109	18
110	20
111	20
112	20
113	18
114	21
115	17
116	20
117	18
118	18
119	16
120	18
121	15
122	16
123	15
124	14
125	12
126	14
127	10
128	12
129	10
130	9
131	8
132	8
133	6
134	7
135	5
136	5
137	3
138	4
139	2
140	3
141	2
142	1
143	1
144	1
145	0
146	1