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0, 0, 0, 0, 2, 4, 2, 12, 38, 60, 76, 90, 480, 564, 1232, 2150, 2222, 3156, 4186, 4352, 9616, 9862, 11130, 19848, 21604, 23108, 44394, 86136, 110394, 131936, 215964, 756708, 859296, 1257648, 1398120, 2976070, 3021220, 6972430, 13466750
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,5
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CROSSREFS
| Cf. A000040, A000043, A000668, A000225, A000396, A007691, A153800, A153802, A153803.
Sequence in context: A138770 A006018 A152666 * A062867 A113539 A152877
Adjacent sequences: A153798 A153799 A153800 * A153802 A153803 A153804
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KEYWORD
| nonn
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AUTHOR
| Omar E. Pol (info(AT)polprimos.com), Jan 13 2009
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EXTENSIONS
| More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 19 2009
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