A088747 a(n) = Prime(Pell(n)).

2, 3, 11, 37, 109, 349, 1009, 2801, 7759, 21157, 56611, 150107, 394817, 1031141, 2676301, 6908743, 17756213, 45456347, 115973411, 294965017, 748174379, 1893049583

Offset

1,1

Links

Table of n, a(n) for n=1..22.

Formula

Pell numbers starting with n = 1 are 1, 2, 5, 12, 29, 70, 169, ...; as found in A000129.

Example

a(4) = 37 since A000129(4) = 12 and the 12th prime is 37.

Crossrefs

Cf. A000129.

Sequence in context: A093804 A084121 A358867 * A231574 A365288 A007756

Adjacent sequences: A088744 A088745 A088746 * A088748 A088749 A088750

Keyword

nonn

Author

Gary W. Adamson, Oct 14 2003

Extensions

More terms from Ray Chandler, Oct 18 2003

Status

approved