A187772 T(n,k) = (n-1)*A220555(n,k), n,k = 2,3,....

3, 14, 8, 21, 52, 6, 124, 54, 28, 20, 315, 484, 42, 124, 24, 90, 130, 248, 186, 364, 16, 105, 144, 630, 3124, 378, 84, 12, 4088, 11480, 180, 120, 15004, 342, 56, 24, 567, 78728, 210, 120, 8190, 11204, 84, 156, 60

Offset

2,1

Comments

For n,k >= 2, T(n,k) is equal to the maximal period p of the corresponding sequence (w.r.t. n and k) defined in Conjecture 1 in A220555.

Links

Table of n, a(n) for n=2..46.

Formula

T(2,k) = A001175(k) (conjectured).

Example

Array begins as
....3.....8.....6......20.......24......16....12.....24.........60
...14....52....28.....124......364......84....56....156........868
...21....54....42.....186......378.....342....84....162.......1302
..124...484...248....3124....15004...11204...496...1452......96844
..315...130...630.....120.....8190...65360..1260....390.......2520
...90...144...180.....120......720....2400...360....432........360
..105.11480...210..227864....34440.1681400...420..34440....3417960
.4088.78728..8176.3906248.40230008....2736.16352.236184.1996092728
..567...702..1134....1116....14742.....378..2268...2106......70308

Crossrefs

Cf. A001175, A220555.

Sequence in context: A127818 A320261 A344116 * A291796 A155886 A319456

Adjacent sequences: A187769 A187770 A187771 * A187773 A187774 A187775

Keyword

nonn,tabl,hard

Author

L. Edson Jeffery, Jan 04 2013

Status

approved