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A293667 First difference of A293666. 1
2, 3, 5, -7, 11, -13, 17, 19, -31, 23, 29, -47, 37, -41, 43, 53, -83, 59, -71, 61, 67, -127, 73, 79, -157, 89, 97, -173, 101, -103, 107, -109, 113, 131, -241, 137, 139, -271, 149, -151, 163, 167, -337, 179, 181, -349, 191, 193, -383, 197, -199, 211, 223, -431 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

For any n > 0, |a(n)| is prime.

LINKS

Table of n, a(n) for n=1..54.

EXAMPLE

a(10) = A293666(11) - A293666(10) = 30 - 7 = 23.

CROSSREFS

Cf. A293666.

Sequence in context: A079150 A177000 A117843 * A068192 A225083 A002200

Adjacent sequences:  A293664 A293665 A293666 * A293668 A293669 A293670

KEYWORD

sign

AUTHOR

Rémy Sigrist, Oct 14 2017

STATUS

approved

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Last modified October 16 03:37 EDT 2019. Contains 328040 sequences. (Running on oeis4.)