A334742 - cp's OEIS frontend

A334742 Pascal's spiral: starting with a(1) = 1, proceed in a square spiral, computing each term as the sum of horizontally and vertically adjacent prior terms.

n	a(n)
1	1
2	1
3	1
4	2
5	2
6	3
7	3
8	4
9	5
10	5
11	6
12	7
13	7
14	8
15	10
16	12
17	12
18	14
19	17
20	20
21	20
22	23
23	27
24	32
25	37
26	37
27	42
28	48
29	55
30	62
31	62
32	69
33	77
34	87
35	99
36	111
37	111
38	123
39	137
40	154
41	174
42	194
43	194
44	214
45	237
46	264
47	296
48	333
49	370
50	370
51	407
52	449
53	497
54	552
55	614
56	676
57	676
58	738
59	807
60	884
61	971
62	1070

[1, 1, 1, 2, 2, 3, 3, 4, 5, 5, 6, 7, 7, 8, 10, 12, 12, 14, 17, 20, 20, 23, 27, 32, 37, 37, 42, 48, 55, 62, 62, 69, 77, 87, 99, 111, 111, 123, 137, 154, 174, 194, 194, 214, 237, 264, 296, 333, 370, 370, 407, 449, 497, 552, 614, 676, 676, 738, 807, 884, 971, 1070]

cp's OEIS Frontend

A334742 Pascal's spiral: starting with a(1) = 1, proceed in a square spiral, computing each term as the sum of horizontally and vertically adjacent prior terms.

Table of values

List of values