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A061193
Number of digits in n-th even perfect number (
A000396
).
+0
3
1, 2, 3, 4, 8, 10, 12, 19, 37, 54, 65, 77, 314, 366, 770, 1327, 1373, 1937, 2561, 2663, 5834, 5985, 6751, 12003, 13066, 13973, 26790, 51924, 66530, 79502, 130100, 455663, 517430, 757263, 841842, 1791864, 1819050, 4197919
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.
AT&T Labs Research
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