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A068389
Differences between the primes generating the n-th prime power.
0
0, 1, -1, 3, -2, -1, 5, -5, 1, 8, -6, -3, 11, -10, -1, 15, -10, 12, -17, 21, -18, -2, 26, 2, -29, 9, 26, 4, 2, -41, 1, 10, 34, -40, 46, -48, 54, 2, -59, 65, -50, 54, 2, 6, -76, 16, 64, 6, -87, 95, 4, 2, 4, 2, -86, 90, -102, -6, 122, -125, 5, 124, 6, 2, -136
OFFSET
0,4
EXAMPLE
The first prime powers are 4, 8, 9, 16, 25, ... These are generated by 2, 2, 3, 2, 5, ... (A025476) and the differences are 0, 1, -1, 3, ...
CROSSREFS
Cf. A025476.
Sequence in context: A080883 A021315 A337315 * A091597 A091595 A246837
KEYWORD
sign
AUTHOR
Jon Perry, Mar 04 2002
EXTENSIONS
More terms from Sean A. Irvine, Feb 13 2024
STATUS
approved