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A101711 Main diagonal of A101646. +0
2
1, 3, 8, 15, 21, 32, 40, 55, 72, 84, 105, 128, 144, 171, 189, 220, 253, 275, 312, 336, 377, 420, 448, 495, 544, 576, 629, 663, 720, 779, 817, 880, 945, 987, 1056, 1100, 1173, 1248, 1296, 1375, 1425, 1508, 1593, 1647, 1736, 1827, 1885, 1980, 2040, 2139, 2240 (list; graph; listen)
OFFSET

1,2

MAPLE

with(combinat) : A014417 := proc(n) local a, i, nredu, j; i := 1 ; while fibonacci(i) <= n do i := i+1 ; od ; nredu := n ; a := [seq(0, j=1..i-1)] ; while i >= 2 do if fibonacci(i) <= nredu then nredu := nredu-fibonacci(i) ; a := subsop(i=1, a) ; fi ; i := i-1 ; od ; RETURN(a) ; end: A101646 := proc(n, k) local a, nZeck, kZeck, i, j ; a := 0 ; nZeck := A014417(n) ; kZeck := A014417(k) ; for i from 2 to nops(nZeck) do for j from 2 to nops(kZeck) do a := a+op(i, nZeck)*op(j, kZeck)*fibonacci(i+j-2) ; od: od: RETURN(a) ; end: A101711 := proc(n) A101646(n, n) ; end: seq(A101711(n), n=1..80) ; - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 07 2007

CROSSREFS

Sequence in context: A004733 A051210 A060320 this_sequence A048982 A064356 A086959

Adjacent sequences: A101708 A101709 A101710 this_sequence A101712 A101713 A101714

KEYWORD

nonn

AUTHOR

David Applegate (david(AT)research.att.com) and njas, Jan 26 2005

EXTENSIONS

More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 07 2007

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Last modified November 30 22:12 EST 2008. Contains 150989 sequences.


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