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A074452
Treated as strings, phi(n) is a substring of sigma(n).
+0
1
1, 6, 60, 84, 112, 141, 168, 252, 270, 294, 450, 570, 1188, 1320, 2376, 2436, 2508, 4584, 5016, 5406, 6426, 7110, 8850, 13566, 14270, 15834, 17416, 23320, 31152, 34452, 58520, 62568, 72732, 75210, 79035
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Maintained by
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Last modified December 21 10:15 EST 2009. Contains 171081 sequences.
AT&T Labs Research
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