A340459 - cp's OEIS frontend

A340459 a(n) is the sum of the numbers adjacent to n in a triangle in which the nonnegative integers are placed from top to bottom and from left to right.

n	a(n)
0	3
1	9
2	10
3	18
4	26
5	23
6	31
7	44
8	50
9	40
10	48
11	68
12	74
13	80
14	61
15	69
16	98
17	104
18	110
19	116
20	86
21	94
22	134
23	140
24	146
25	152
26	158
27	115
28	123
29	176
30	182
31	188
32	194
33	200
34	206
35	148
36	156
37	224
38	230
39	236
40	242
41	248
42	254
43	260
44	185
45	193
46	278
47	284
48	290
49	296
50	302
51	308
52	314
53	320
54	226
55	234
56	338

[3, 9, 10, 18, 26, 23, 31, 44, 50, 40, 48, 68, 74, 80, 61, 69, 98, 104, 110, 116, 86, 94, 134, 140, 146, 152, 158, 115, 123, 176, 182, 188, 194, 200, 206, 148, 156, 224, 230, 236, 242, 248, 254, 260, 185, 193, 278, 284, 290, 296, 302, 308, 314, 320, 226, 234, 338]

cp's OEIS Frontend

A340459 a(n) is the sum of the numbers adjacent to n in a triangle in which the nonnegative integers are placed from top to bottom and from left to right.

Table of values

List of values

n	a(n)
0	3
1	9
2	10
3	18
4	26
5	23
6	31
7	44
8	50
9	40
10	48
11	68
12	74
13	80
14	61
15	69
16	98
17	104
18	110
19	116
20	86
21	94
22	134
23	140
24	146
25	152
26	158
27	115
28	123
29	176
30	182
31	188
32	194
33	200
34	206
35	148
36	156
37	224
38	230
39	236
40	242
41	248
42	254
43	260
44	185
45	193
46	278
47	284
48	290
49	296
50	302
51	308
52	314
53	320
54	226
55	234
56	338

n	a(n)
0	3
1	9
2	10
3	18
4	26
5	23
6	31
7	44
8	50
9	40
10	48
11	68
12	74
13	80
14	61
15	69
16	98
17	104
18	110
19	116
20	86
21	94
22	134
23	140
24	146
25	152
26	158
27	115
28	123
29	176
30	182
31	188
32	194
33	200
34	206
35	148
36	156
37	224
38	230
39	236
40	242
41	248
42	254
43	260
44	185
45	193
46	278
47	284
48	290
49	296
50	302
51	308
52	314
53	320
54	226
55	234
56	338

n	a(n)
0	3
1	9
2	10
3	18
4	26
5	23
6	31
7	44
8	50
9	40
10	48
11	68
12	74
13	80
14	61
15	69
16	98
17	104
18	110
19	116
20	86
21	94
22	134
23	140
24	146
25	152
26	158
27	115
28	123
29	176
30	182
31	188
32	194
33	200
34	206
35	148
36	156
37	224
38	230
39	236
40	242
41	248
42	254
43	260
44	185
45	193
46	278
47	284
48	290
49	296
50	302
51	308
52	314
53	320
54	226
55	234
56	338