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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..7.

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

Adjacent sequences:  A159741 A159742 A159743 * A159745 A159746 A159747

KEYWORD

nonn,more

AUTHOR

Al Hakanson (hawkuu(AT)gmail.com), Apr 20 2009

STATUS

approved

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Last modified May 9 08:02 EDT 2021. Contains 343693 sequences. (Running on oeis4.)