0,1

A156311(A049084(a(n)))=n and A156311(m)<n for m<A049084(a(n)).

a(9) = 103703 = A000040(9910), A156311(9910) = 9:

1: 2 + 3*34567 = prime(1) + prime(2)*34567 = 103703,

2: 3 + 5*20740 = prime(2) + prime(3)*20740 = 103703,

3: 5 + 7*14814 = prime(3) + prime(4)*14814 = 103703,

4: 19 + 23*4508 = prime(8) + prime(9)*4508 = 103703,

5: 131 + 137*756 = prime(32) + prime(33)*756 = 103703,

6: 163 + 167*620 = prime(38) + prime(39)*620 = 103703,

7: 181 + 191*542 = prime(42) + prime(43)*542 = 103703,

8: 751 + 757*136 = prime(133) + prime(134)*136 = 103703,

9: 20731 + 20743*4 = prime(2334) + prime(2335)*4 = 103703.

A156312.

Sequence in context: A141181 A100031 A126975 this_sequence A023186 A023188 A106858

Adjacent sequences: A156311 A156312 A156313 this_sequence A156315 A156316 A156317

more,nonn

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Feb 07 2009