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A074646
a(n) = A074639(A074645(n)).
0
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
OFFSET
1,3
CROSSREFS
Cf. A074639.
Sequence in context: A054440 A308076 A303819 * A097001 A233191 A192533
KEYWORD
nonn
AUTHOR
Michele Dondi (bik.mido(AT)tiscalinet.it), Sep 18 2002
STATUS
approved