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Search: id:A156614
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| A156614 |
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a(1)=2, a(n+1) is the smallest prime with sum of even digits >= sum of even digits of a(n). |
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+0
1
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| 2, 23, 29, 41, 43, 61, 67, 83, 89, 181, 263, 269, 281, 283, 461, 463, 467, 487, 661, 683, 863, 881, 883, 887, 1889, 2683, 2687, 2689, 2861, 2887, 4889, 6689, 6863, 6869, 6883, 8681, 8689, 8861, 8863, 8867
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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2, 23(2=2), 29(2=2), 41(4>2), 43(4=4), 61(6>4), 67(6=6), 83(8>6), 89(8=8), 181(8=8), 263(2+6=8), 269(2+6=2+6), 281(2+8>2+6), 283(2+8=2+8), 461(4+6=2+8), etc.
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CROSSREFS
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Cf. A000040.
Sequence in context: A045391 A154758 A158304 this_sequence A114549 A034843 A084373
Adjacent sequences: A156611 A156612 A156613 this_sequence A156615 A156616 A156617
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KEYWORD
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nonn
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AUTHOR
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Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Feb 11 2009
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