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A165659 Numerators of A007504 divided by A033955, starting from the second term of A033955. 3
2, 5, 5, 17, 28, 41, 58, 77, 50, 129, 16, 197, 119, 281, 164, 127, 440, 501, 568, 71, 356, 791, 46, 321, 530, 1161, 1264, 457, 1480, 1593, 344, 1851, 284, 2127, 2276, 809, 2584, 2747, 1457, 441, 1633, 1149, 3638, 3831, 1007, 4227, 4438 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Conjecture: with the exception of the second term, 2 <= a(n)/A165660(n) < 3.

LINKS

Table of n, a(n) for n=1..47.

PROG

(PARI) a1(n)=sum(i=1, n, prime(i));

b1(n)=sum(i=1, n, prime(n+1)%prime(i));

a(n)=if(n<0, 0, numerator(a1(n)/b1(n)));

for(n=1, 50, print1(a(n) ", "))

CROSSREFS

Cf. A007504, A033995, A002110, A102647, A165657, A165658, A165660.

Sequence in context: A081235 A219586 A082534 * A154816 A140600 A056396

Adjacent sequences:  A165656 A165657 A165658 * A165660 A165661 A165662

KEYWORD

easy,nonn

AUTHOR

Creighton Dement, Sep 24 2009

EXTENSIONS

Typo in definition corrected by Creighton Dement, Oct 09 2009

STATUS

approved

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Last modified January 25 18:32 EST 2022. Contains 350572 sequences. (Running on oeis4.)