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A159743 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 7. See A159741 for details. 1
21, 81, 208, 464, 976, 2000, 4048 (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+60 offset 0 & b(n)=-2*n+67 offset 0. Add 21 as a leader. Binomially transform. [From Al Hakanson (hawkuu(AT)gmail.com), Jun 08 2009]

CROSSREFS

Sequence in context: A068085 A135945 A158493 * A219593 A195961 A190023

Adjacent sequences:  A159740 A159741 A159742 * A159744 A159745 A159746

KEYWORD

nonn,more

AUTHOR

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

STATUS

approved

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Last modified March 26 16:33 EDT 2019. Contains 321510 sequences. (Running on oeis4.)