A219875 - cp's OEIS frontend

A219875 Multiplication table of the operation "n o m" = nm + ceiling(n/phi) ceiling(m/phi), with phi = (1+sqrt(5))/2, read by antidiagonals.

n	a(n)
1	2
2	4
3	4
4	5
5	8
6	5
7	7
8	10
9	10
10	7
11	9
12	14
13	13
14	14
15	9
16	10
17	18
18	18
19	18
20	18
21	10
22	12
23	20
24	23
25	25
26	23
27	20
28	12
29	13
30	24
31	26
32	32
33	32
34	26
35	24
36	13
37	15
38	26
39	31
40	36
41	41
42	36
43	31
44	26
45	15
46	17
47	30
48	34
49	43
50	46
51	46
52	43
53	34
54	30
55	17
56	18
57	34
58	39
59	47
60	55
61	52
62	55
63	47
64	39
65	34
66	18

[2, 4, 4, 5, 8, 5, 7, 10, 10, 7, 9, 14, 13, 14, 9, 10, 18, 18, 18, 18, 10, 12, 20, 23, 25, 23, 20, 12, 13, 24, 26, 32, 32, 26, 24, 13, 15, 26, 31, 36, 41, 36, 31, 26, 15, 17, 30, 34, 43, 46, 46, 43, 34, 30, 17, 18, 34, 39, 47, 55, 52, 55, 47, 39, 34, 18]

cp's OEIS Frontend

A219875 Multiplication table of the operation "n o m" = nm + ceiling(n/phi) ceiling(m/phi), with phi = (1+sqrt(5))/2, read by antidiagonals.

Table of values

List of values

n	a(n)
1	2
2	4
3	4
4	5
5	8
6	5
7	7
8	10
9	10
10	7
11	9
12	14
13	13
14	14
15	9
16	10
17	18
18	18
19	18
20	18
21	10
22	12
23	20
24	23
25	25
26	23
27	20
28	12
29	13
30	24
31	26
32	32
33	32
34	26
35	24
36	13
37	15
38	26
39	31
40	36
41	41
42	36
43	31
44	26
45	15
46	17
47	30
48	34
49	43
50	46
51	46
52	43
53	34
54	30
55	17
56	18
57	34
58	39
59	47
60	55
61	52
62	55
63	47
64	39
65	34
66	18

n	a(n)
1	2
2	4
3	4
4	5
5	8
6	5
7	7
8	10
9	10
10	7
11	9
12	14
13	13
14	14
15	9
16	10
17	18
18	18
19	18
20	18
21	10
22	12
23	20
24	23
25	25
26	23
27	20
28	12
29	13
30	24
31	26
32	32
33	32
34	26
35	24
36	13
37	15
38	26
39	31
40	36
41	41
42	36
43	31
44	26
45	15
46	17
47	30
48	34
49	43
50	46
51	46
52	43
53	34
54	30
55	17
56	18
57	34
58	39
59	47
60	55
61	52
62	55
63	47
64	39
65	34
66	18

cp's OEIS Frontend

A219875 Multiplication table of the operation "n o m" = n*m + ceiling(n/phi)* ceiling(m/phi), with phi = (1+sqrt(5))/2, read by antidiagonals.

Table of values

List of values

A219875 Multiplication table of the operation "n o m" = nm + ceiling(n/phi) ceiling(m/phi), with phi = (1+sqrt(5))/2, read by antidiagonals.

n	a(n)
1	2
2	4
3	4
4	5
5	8
6	5
7	7
8	10
9	10
10	7
11	9
12	14
13	13
14	14
15	9
16	10
17	18
18	18
19	18
20	18
21	10
22	12
23	20
24	23
25	25
26	23
27	20
28	12
29	13
30	24
31	26
32	32
33	32
34	26
35	24
36	13
37	15
38	26
39	31
40	36
41	41
42	36
43	31
44	26
45	15
46	17
47	30
48	34
49	43
50	46
51	46
52	43
53	34
54	30
55	17
56	18
57	34
58	39
59	47
60	55
61	52
62	55
63	47
64	39
65	34
66	18