A351721 Starts of runs of 3 consecutive lazy-Lucas-Niven numbers (A351719).

607068, 640618, 665720, 900921, 1000880, 1375940, 1505878, 1537250, 1924224, 1938508, 1966338, 2527998, 3394224, 3935424, 4242624, 4476624, 4747224, 4794624, 5351367, 5401824, 5526024, 5636356, 5992298, 6103900, 6343298, 7028362, 7113024, 8879424, 8998262, 9431424

Offset

1,1

Comments

Conjecture: There are no runs of 4 consecutive lazy-Lucas-Niven numbers (checked up to 3*10^9).

Links

Amiram Eldar, Table of n, a(n) for n = 1..5000

Example

607068 is a term since 607068, 607069 and 607070 are all divisible by the number of terms in their maximal representation:
     k                   A130311(k)  A131343(k)  k/A131343(k)
-------------------------------------------------------------
607068  111010101010101011110111101         18          33726
607069  111010101010101011110111111         19          31951
607070  111010101010101011111010110         17          35710

Crossrefs

Cf. A000032, A130311, A131343.

Subsequence of A351719 and A351720.

Similar sequences: A154701, A328206, A328210, A328214, A330932, A331087, A333428, A334310, A331822, A342428, A344343, A351716.

Sequence in context: A251070 A184561 A321705 * A340924 A218107 A274173

Adjacent sequences: A351718 A351719 A351720 * A351722 A351723 A351724

Keyword

nonn,base

Author

Amiram Eldar, Feb 17 2022

Status

approved