A171448 Sequence whose generating function is expressible as a prime-related continued fraction.

1, 2, 6, 24, 114, 612, 3648, 23928, 171534, 1336416, 11269476, 102661188, 1010777052, 10778107752, 124698353796, 1564720622004, 21217109251374, 308917754417352, 4793408454081468, 78708576907763868, 1359861042837591204

Offset: 0

Author

Paul Barry, Dec 09 2009

Keywords

• easy
• nonn

Comments

Hankel transform is the Chernoff sequence A006939.

Crossrefs

Cf. A006939.

Formula

G.f.: 1/(1-2x/(1-x/(1-3x/(1-x/(1-5x/(1-x/(1-7x/(1-x/(1-11x/(1-.... (continued fraction);

G.f.: 1/(1-2x-2x^2/(1-4x-3x^2/(1-6x-5x^2/(1-8x-7x^2/(1-12x-11x^2/(1- ... (continued fraction).