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A001837
Numbers n such that phi(2n+1) < phi(2n).
(Formerly M5406 N2349)
+0
3
157, 262, 367, 412, 472, 487, 577, 682, 787, 877, 892, 907, 997, 1072, 1207, 1237, 1312, 1402, 1522, 1567, 1627, 1657, 1732, 1852, 1942, 2047, 2062, 2152, 2194, 2257, 2362, 2437, 2467, 2557, 2572, 2677, 2722, 2782
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.
AT&T Labs Research
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