A334346 - OEIS

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

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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