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A027856
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Dan numbers: n of form 2^a*3^b such that n +- 1 are twin primes.
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4
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4, 6, 12, 18, 72, 108, 192, 432, 1152, 2592, 139968, 472392, 786432, 995328, 57395628, 63700992, 169869312, 4076863488, 10871635968, 2348273369088, 56358560858112, 79164837199872, 84537841287168, 150289495621632, 578415690713088, 1141260857376768
(list; graph; refs; listen; history; internal format)
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