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A131100 Indices of A002808 such that A081545(m) = product( A002808(a(k)), m(m-1)/2 <= k < m(m+1)/2 ). 1
1, 1, 4, 1, 2, 3, 1, 2, 4, 5, 1, 2, 3, 5, 6, 1, 2, 3, 4, 5, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5, 6, 8, 10 (list; table; graph; refs; listen; history; internal format)
OFFSET

0,3

EXAMPLE

a(2..3) = { 1,4 } since A081545(2) = A002808(1)*A002808(4)+1;

a(6..9) = { 1,2,4,5 } since A081545(4) = A002808(1)*A002808(2)*A002808(4)*A002808(5)+1.

CROSSREFS

Cf. A081545, A002808.

Sequence in context: A117021 A010473 A176041 * A064124 A106654 A196138

Adjacent sequences:  A131097 A131098 A131099 * A131101 A131102 A131103

KEYWORD

more,nonn,tabl

AUTHOR

M. F. Hasler (Maximilian.Hasler(AT)gmail.com), Jun 14 2007

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Last modified February 14 17:44 EST 2012. Contains 205651 sequences.