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Search: id:A118179
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A118179 Numbers which occur only once in A005229. +0
1
2, 4, 5, 8, 9, 11, 13, 14, 15, 18, 21, 22, 23, 25, 27, 28, 31, 32, 33, 34, 35, 38, 40, 41, 42, 44, 47, 48, 49, 50, 51, 52, 55, 56, 57, 60, 61, 62, 65, 67, 68, 70, 71, 72, 73, 74, 75, 76, 79, 82, 83, 84, 86, 88, 89, 90, 91, 96, 98, 99, 100, 101, 103, 104, 105, 106, 107, 108 (list; graph; listen)
OFFSET

1,1

EXAMPLE

1, 3, 6 and 7 occur twice in A005229, so these numbers are not in the sequence.

PROGRAM

(PARI) {m=156; v=vector(m); v[1]=1; v[2]=1; for(n=3, m, v[n]=v[v[n-2]]+v[n-v[n-2]]); i=1; k=1; while(i<=m, c=0; while(i<=m&&v[i]==k, c++; i++); if(i<=m&&c==1, print1(k, ", ")); k++)}

CROSSREFS

Cf. A005229, A087758, A088359.

Sequence in context: A117121 A101925 A101884 this_sequence A096603 A084464 A080148

Adjacent sequences: A118176 A118177 A118178 this_sequence A118180 A118181 A118182

KEYWORD

nonn

AUTHOR

Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Apr 13 2006

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.


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