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Search: id:A018246
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A018246 A self-generating sequence: there are a(n) (k+1)'s between successive k's, where k=5. +0
1
5, 6, 6, 6, 6, 6, 5, 6, 6, 6, 6, 6, 6, 5, 6, 6, 6, 6, 6, 6, 5, 6, 6, 6, 6, 6, 6, 5, 6, 6, 6, 6, 6, 6, 5, 6, 6, 6, 6, 6, 6, 5, 6, 6, 6, 6, 6, 5, 6, 6, 6, 6, 6, 6, 5, 6, 6, 6, 6, 6, 6, 5, 6, 6, 6, 6, 6, 6, 5, 6, 6, 6, 6, 6, 6, 5, 6, 6, 6, 6 (list; graph; listen)
OFFSET

1,1

MAPLE

f := proc(n, k) floor(n*(k+sqrt(k^2+4*k))/2)-floor((n-1)*(k+sqrt(k^2+4*k))/2); end; (with k=5)

CROSSREFS

Cf. A001468, A007538.

Sequence in context: A064864 A004553 A074826 this_sequence A101101 A046786 A035591

Adjacent sequences: A018243 A018244 A018245 this_sequence A018247 A018248 A018249

KEYWORD

nonn

AUTHOR

Jonas Wallgren (jwc(AT)ida.liu.se)

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.


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