OFFSET
1,2
COMMENTS
3 is the only prime in the sequence.
EXAMPLE
There are 3 primes (5,7,11) between 3 and the next term 12.
MATHEMATICA
a[1]=1; a[2]=3; a[n_] := a[n]=1+Prime[1+Sum[a[i], {i, 1, n-1}]]
CROSSREFS
KEYWORD
more,nonn
AUTHOR
Amarnath Murthy, Apr 13 2003
EXTENSIONS
Better description from Vladeta Jovovic, Apr 15 2003
a(14) from Chai Wah Wu, Nov 29 2019
STATUS
approved