OFFSET
0,1
FORMULA
From Mario C. Enriquez, Dec 13 2016: (Start)
G.f: (b(x)^3)/(x^2), where b(x) is the g.f. of A000040.
(End)
MATHEMATICA
Table[Sum[Prime[k + 1] Sum[Prime[i] Prime[# + 1 - i], {i, #}] &[n - k + 1], {k, 0, n}], {n, 0, 26}] (* Michael De Vlieger, Dec 13 2016 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved