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Search: id:A106840
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A106840 Numbers n such that both n and n+1 have odd part of form 4k+1. +0
3
1, 4, 8, 9, 16, 17, 20, 25, 32, 33, 36, 40, 41, 49, 52, 57, 64, 65, 68, 72, 73, 80, 81, 84, 89, 97, 100, 104, 105, 113, 116, 121, 128, 129, 132, 136, 137, 144, 145, 148, 153, 160, 161, 164, 168, 169, 177, 180, 185, 193, 196, 200, 201, 208, 209, 212, 217, 225 (list; graph; listen)
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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.


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