0,2
The 5-th number in the sequence must be the 5-th pentagonal (5-gonal) number which can be divided by 5, namely 210.
Sequence in context: A047146 A084187 A119904 this_sequence A117393 A055206 A146757
Adjacent sequences: A117666 A117667 A117668 this_sequence A117670 A117671 A117672
nonn
Luc Stevens (lms022(AT)yahoo.com), Apr 11 2006
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