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A159744
If an array is made of columns of -nacci sequences, fibo-, tribo- etc. all starting w. 1,1,2 etc, the NW to SE diagonals can be extended by computation. The above is diagonal 8. See A159741 for details.
1
34, 149, 401, 912, 1936, 3984, 8080
OFFSET
1,1
FORMULA
Interpolate a(n)=-2*n^2+9*n+115 offset 0 & b(n)=2*n^2-7*n+137 offset 0. Add 34 as a leader. Binomially transform. [From Al Hakanson (hawkuu(AT)gmail.com), Jun 08 2009]
CROSSREFS
Sequence in context: A031398 A259954 A180759 * A192398 A167241 A028470
KEYWORD
nonn,more
AUTHOR
Al Hakanson (hawkuu(AT)gmail.com), Apr 20 2009
STATUS
approved