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A144116 Number of non-Fibonacci parts in all partitions of n. +0
5
0, 0, 0, 1, 1, 3, 5, 9, 14, 23, 34, 54, 76, 113, 158, 226, 309, 431, 580, 790, 1049, 1402, 1838, 2423, 3140, 4081, 5242, 6739, 8574, 10918, 13780, 17392, 21795, 27291, 33969, 42248, 52258, 64572, 79429, 97577, 119388, 145891, 177630, 215986, 261789 (list; graph; listen)
OFFSET

1,6

FORMULA

a(n) = A006128(n)-A144115(n).

MAPLE

b:= proc(n) option remember; true end: l:= [0, 1]: for k to 100 do b(l[1]):= false; l:= [l[2], l[1]+l[2]] od: aa:= proc(n, i) option remember; local g, h; if n=0 then [1, 0] elif i=0 or n<0 then [0, 0] else g:= aa(n, i-1); h:= aa(n-i, i); [g[1]+h[1], g[2]+h[2] +`if`(b(i), h[1], 0)] fi end: a:= n-> aa(n, n)[2]: seq (a(n), n=1..60); [From Alois P. Heinz (heinz(AT)hs-heilbronn.de), Jul 28 2009]

CROSSREFS

Cf. A001690, A006128, A144115, A144117, A144118, A144119.

Sequence in context: A032801 A033818 A120452 this_sequence A061556 A053993 A071155

Adjacent sequences: A144113 A144114 A144115 this_sequence A144117 A144118 A144119

KEYWORD

nonn

AUTHOR

Omar E. Pol (info(AT)polprimos.com), Sep 11 2008

EXTENSIONS

More terms from Alois P. Heinz (heinz(AT)hs-heilbronn.de), Jul 28 2009

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.


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