A045794 - cp's OEIS frontend

A045794 Consider all quadruples {a,b,c,d} which reach {k,k,k,k} in n steps under map {a,b,c,d}->{|a-b|,|b-c|,|c-d|,|d-a|}; look at max{a,b,c,d}; sequence gives minimal value of this.

n	a(n)
1	1
2	1
3	1
4	3
5	3
6	4
7	9
8	11
9	13
10	31
11	37
12	44
13	105
14	125
15	149
16	355
17	423
18	504
19	1201
20	1431
21	1705
22	4063
23	4841
24	5768
25	13745
26	16377
27	19513
28	46499
29	55403
30	66012
31	157305
32	187427
33	223317
34	532159
35	634061
36	755476
37	1800281
38	2145013
39	2555757
40	6090307
41	7256527

[1, 1, 1, 3, 3, 4, 9, 11, 13, 31, 37, 44, 105, 125, 149, 355, 423, 504, 1201, 1431, 1705, 4063, 4841, 5768, 13745, 16377, 19513, 46499, 55403, 66012, 157305, 187427, 223317, 532159, 634061, 755476, 1800281, 2145013, 2555757, 6090307, 7256527]

cp's OEIS Frontend

A045794 Consider all quadruples {a,b,c,d} which reach {k,k,k,k} in n steps under map {a,b,c,d}->{|a-b|,|b-c|,|c-d|,|d-a|}; look at max{a,b,c,d}; sequence gives minimal value of this.

Table of values

List of values