OFFSET
1,2
COMMENTS
Partial sums of Hofstadter Q-sequence. The subsequence of primes in the partial sum begins: 2, 7, 19, 181, 241, 257, 293, 347, 719, 863. The subsequence of square in the partial sum begins: 1, 4, 36, 225. [From Jonathan Vos Post, Apr 09 2010]
CROSSREFS
KEYWORD
nonn
AUTHOR
Benoit Cloitre, Nov 05 2002
STATUS
approved