OFFSET
0,2
COMMENTS
First difference of A322420.
LINKS
Ray Chandler, Table of n, a(n) for n = 0..10000
MATHEMATICA
f[n_] := Sum[Prime[k], {k, n}]; Table[f[n*(n + 1)] - f[n*(n - 1)], {n, 0, 34}]
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Giovanni Teofilatto, Aug 10 2005
EXTENSIONS
Edited and extended by Ray Chandler, Aug 11 2005
STATUS
approved