A088233 First differences of roots of consecutive prime powers; a(1)=1.

1, 1, -1, 3, 2, -5, 1, 8, 2, -11, 15, 2, 4, -18, -2, 26, 2, -29, 35, 4, 2, 4, -40, 46, 6, 2, -59, 65, 4, 2, 6, -76, 80, 6, 8, 4, 2, 4, 2, 4, -102, -6, 122, -125, 129, 6, 2, 10, 2, 6, 6, 4, -154, 160, 6, 2, 10, 2, 4, 2, 12, 12, 4, 2, 4, 6, 2, -238, 248, -249, 255, 6, 6, 2, 6, 4

Offset

1,4

Comments

a(n) = A025473(n+1) - A025473(n).

Links

Table of n, a(n) for n=1..76.

Crossrefs

Cf. A088234, A000961, A057820.

Sequence in context: A076934 A111701 A093527 * A056008 A074830 A369043

Adjacent sequences: A088230 A088231 A088232 * A088234 A088235 A088236

Keyword

sign

Author

Reinhard Zumkeller, Sep 25 2003

Status

approved