A352110 Starts of runs of 4 consecutive lazy-tribonacci-Niven numbers (A352107).

1081455, 1976895, 2894175, 5886255, 6906912, 15604110, 16588752, 19291479, 20387232, 25919439, 32394942, 34801557, 35654175, 36813582, 36907899, 39117219, 41407392, 43520832, 46181055, 47954499, 52145952, 54524319, 54815397, 56733639, 57775102, 58942959, 59292177

Offset

1,1

Comments

Conjecture: There are no runs of 5 consecutive lazy-tribonacci-Niven numbers (checked up to 6*10^9).

Links

Amiram Eldar, Table of n, a(n) for n = 1..1000

Example

1081455 is a term since 1081455, 1081456, 1081457 and 1081458 are all divisible by the number of terms in their maximal tribonacci representation:
        k               A352103(k)   A352104(k)    k/A352104(k)
  -------  -----------------------   ----------    ------------
  1081455  10101011011110110011110           15           72097
  1081456  10101011011110110011111           16           67591
  1081457  10101011011110110100100           13           83189
  1081458  10101011011110110100101           14           77247

Crossrefs

Cf. A352103, A352104.

Subsequence of A352107, A352108 and A352109.

Similar sequences: A141769, A328211, A328207, A328215, A330933, A331824, A334311, A342429, A344344, A352092.

Sequence in context: A237972 A252038 A236449 * A253467 A340132 A340405

Adjacent sequences: A352107 A352108 A352109 * A352111 A352112 A352113

Keyword

nonn,base

Author

Amiram Eldar, Mar 05 2022

Status

approved