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 A088234 First differences of exponents of consecutive prime powers. 1
 1, 0, 1, -1, 0, 2, -1, -1, 0, 3, -3, 0, 0, 1, 1, -2, 0, 4, -4, 0, 0, 0, 1, -1, 0, 0, 5, -5, 0, 0, 0, 3, -3, 0, 0, 0, 0, 0, 0, 0, 1, 1, -2, 6, -6, 0, 0, 0, 0, 0, 0, 0, 1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, -4, 7, -7, 0, 0, 0, 0, 0, 0, 1, -1, 0, 0, 0, 0, 0, 0, 2, -2, 0, 0, 0, 1, -1, 0, 0 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,6 COMMENTS a(n) = A025474(n+1) - A025474(n). LINKS Table of n, a(n) for n=1..94. MATHEMATICA Join[{1}, Differences[FactorInteger[#][[1, 2]]&/@Select[Range[ 400], PrimePowerQ]]] (* Harvey P. Dale, Jul 10 2020 *) CROSSREFS Cf. A088233, A000961, A057820. Sequence in context: A119513 A308454 A085815 * A228717 A215977 A357646 Adjacent sequences: A088231 A088232 A088233 * A088235 A088236 A088237 KEYWORD sign AUTHOR Reinhard Zumkeller, Sep 25 2003 STATUS approved

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Last modified June 7 22:39 EDT 2023. Contains 363157 sequences. (Running on oeis4.)