1,3

Table of n, a(n) for n=1..74.

Math Overflow, Asymptotic formula for absolute difference of number of prime factors between consecutive integers

a(n) = Sum_{k=1..n} |A001222(n+1) - A001222(n)|.

L:= map(numtheory:-bigomega, [$1..200]):

ListTools:-PartialSums(map(abs, L[2..-1]-L[1..-2]));

Cf. A001222, A076191.

Sequence in context: A067576 A107900 A112922 * A302175 A228683 A133017

Adjacent sequences: A305074 A305075 A305076 * A305078 A305079 A305080

nonn

Robert Israel, May 24 2018

approved