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A214983 Antidiagonal sums of the array A028412. 2
1, 2, 6, 16, 51, 195, 932, 5651, 43641, 428905, 5362388, 85303080, 1726416461, 44444215422, 1455335603434, 60619535173748, 3211914908993651, 216474718772864071, 18558435268379931580, 2023812522812259857355 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Clark Kimberling, Table of n, a(n) for n = 1..100

FORMULA

Sum{F(m*(n+1-m))/F(m), m = 1,2,...,n}, where F = A000045 (Fibonacci numbers)

EXAMPLE

a(1) = 1

a(2) = 1 + 1

a(3) = 2 + 3 + 1

MATHEMATICA

(See A028412.)

CROSSREFS

Cf. A000045, A028412.

Sequence in context: A317094 A339844 A258797 * A214833 A263593 A003446

Adjacent sequences:  A214980 A214981 A214982 * A214984 A214985 A214986

KEYWORD

nonn

AUTHOR

Clark Kimberling, Oct 28 2012

STATUS

approved

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Last modified June 24 20:20 EDT 2021. Contains 345425 sequences. (Running on oeis4.)