A115325 Rightmost diagonal of triangle A115323.

1, 1, 3, 7, 17, 43, 114, 308, 837, 2294, 6330, 17603, 49255, 138359, 390374, 1105655, 3142141, 8956264, 25592485, 73305487, 210435337, 605304274, 1744271476, 5034584633, 14553714389, 42129545594, 122112130949, 354362929036

Offset

0,3

Comments

Limit a(n+1)/a(n) = 3.

Links

Table of n, a(n) for n=0..27.

Crossrefs

Sequence in context: A085279 A153133 A123601 * A294129 A308589 A018025

Adjacent sequences: A115322 A115323 A115324 * A115326 A115327 A115328

Keyword

nonn

Author

Paul D. Hanna, Jan 20 2006

Status

approved