A334346 Starts of runs of 3 consecutive binary Moran numbers (A334344).

126866286, 133542126, 148891086, 150959502, 173668302, 207567342, 227950542, 257154606, 263874222, 284421582, 295075566, 331190766, 373024206, 390589326, 392805486, 393817806, 395760366, 397921806, 441314766, 459700686, 459990702, 516188142, 527006286, 586869966

Offset

1,1

Links

Amiram Eldar, Table of n, a(n) for n = 1..3410 (terms below 10^11)

Example

126866286 is a term since 126866286/A000120(126866286) = 7048127, 126866287/A000120(126866287) = 6677173 and 126866288/A000120(126866288) = 7929143 are all prime numbers.

Mathematica

binMoranQ[n_] := PrimeQ[n / DigitCount[n, 2, 1]]; bin = binMoranQ /@ Range[3]; seq = {}; Do[If[And @@ bin, AppendTo[seq, k - 3]]; bin = Join[Rest[bin], {binMoranQ[k]}], {k, 4, 2 * 10^8}]; seq

Crossrefs

Subsequence of A330932, A334344 and A334345.

Cf. A000120, A235397.

Sequence in context: A339537 A319065 A344832 * A115301 A256118 A036341

Adjacent sequences: A334343 A334344 A334345 * A334347 A334348 A334349

Keyword

nonn,base

Author

Amiram Eldar, Apr 23 2020

Status

approved