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A163647
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The count of primes between the (2n-1)-st and (2n)-th amicable number.
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0
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14, 3, 42, 62, 19, 9, 241, 121, 348, 9, 138, 320, 84, 1870, 66, 1331, 58, 1268, 362, 384, 937, 81, 2220, 2910, 1911, 2358, 1359, 1306, 888, 264, 728, 845, 708, 119, 379, 1022, 982, 4471, 1351, 3375, 1234, 2486, 1911, 179, 750, 6482, 412, 831, 2386, 1810
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| The number of terms in the n-th row of A163653.
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EXAMPLE
| a(2)=3 counts the 3 primes 1187, 1193, 1201 between 1184 and 1210.
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CROSSREFS
| Cf. A063990.
Sequence in context: A088576 A204159 A040190 * A060782 A040187 A164811
Adjacent sequences: A163644 A163645 A163646 * A163648 A163649 A163650
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KEYWORD
| nonn
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AUTHOR
| Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Aug 02 2009
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EXTENSIONS
| a(4) corrected and sequence extended - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 07 2009
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