A163647 - OEIS

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A163647

The count of primes between the (2n-1)-st and (2n)-th amicable number.

1

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

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OFFSET

1,1

COMMENTS

The number of terms in the n-th row of A163653.

LINKS

Table of n, a(n) for n=1..50.

EXAMPLE

a(2)=3 counts the 3 primes 1187, 1193, 1201 between 1184 and 1210.

CROSSREFS

Cf. A000040, A063990, A163653.

Sequence in context: A204159 A040190 A317314 * A060782 A182431 A182440

Adjacent sequences: A163644 A163645 A163646 * A163648 A163649 A163650

KEYWORD

nonn

AUTHOR

Juri-Stepan Gerasimov, Aug 02 2009

EXTENSIONS

a(4) corrected and sequence extended - R. J. Mathar, Aug 07 2009

STATUS

approved