OFFSET
1,2
COMMENTS
Prime partial sums of prime numbers of measurement begin: 11, 23, 43, 73, 251, 347, 3343, 5639, 16937. The subsequence of squares begins: 1, 4, 3844 = 2^2 * 31^2.
FORMULA
a(n) = SUM[i=1..n] A002049(i).
EXAMPLE
a(10) = 1 + 3 + 7 + 12 + 20 + 30 + 44 + 59 + 75 + 96 = 347 is prime.
CROSSREFS
KEYWORD
nonn
AUTHOR
Jonathan Vos Post, Nov 25 2010
STATUS
approved