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Search: id:A074646
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A074646 a(n)=A074639(A074645(n)). +0
1
0, 0, 2, 4, 12, 16, 60, 64, 84, 160, 280, 208, 256, 1080, 1860, 3840, 2256, 3612, 3960, 3816, 9940, 13248, 93380, 59904, 160704, 78400, 78048, 365040, 688168, 327168, 311040, 959904, 1082368, 770016, 871680, 954360, 1570920 (list; graph; listen)
OFFSET

1,3
CROSSREFS

Cf. A074639.

Sequence in context: A132314 A053636 A054440 this_sequence A097001 A085931 A125885

Adjacent sequences: A074643 A074644 A074645 this_sequence A074647 A074648 A074649

KEYWORD

nonn

AUTHOR

Michele Dondi (bik.mido(AT)tiscalinet.it), Sep 18, 2002

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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