1,1

Table of n, a(n) for n=1..50.

The sum of the reciprocals of the first 2 primes = 1/2 + 1/3 = 5/6 = 0 + 1/(1 + 1/5). So a(2) = 0 + 1 + 5 = 6.

Sequence in context: A088260 A232171 A231816 * A216834 A287592 A054141

Adjacent sequences: A058025 A058026 A058027 * A058029 A058030 A058031

nonn

Leroy Quet, Nov 15 2000

approved