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A053233
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Numbers n such that A053230(n) = 2.
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7
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3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 24, 25, 26, 27, 28, 29, 30, 33, 34, 35, 36, 37, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 55, 56, 57, 58, 60, 61, 62, 63, 64, 65, 66, 69, 70, 71, 72, 73, 76, 77, 78, 79, 80, 81, 82, 83, 85
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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MAPLE
| with(numtheory): f := [seq( `if`((sigma(i+1) > sigma(i)), i, print( )), i=1..5000)];
seq( `if`(f[i+1] - f[i] = 2, i, print( )), i=1..100);
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CROSSREFS
| Cf. A000203, A053224, A053230, A053231, A053232, A053234, A053235, A053236, A053237.
Sequence in context: A065475 A062983 A081311 * A121818 A179005 A026505
Adjacent sequences: A053230 A053231 A053232 * A053234 A053235 A053236
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KEYWORD
| nonn
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AUTHOR
| Asher Auel (asher.auel(AT)reed.edu) Jan 10, 2000
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