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A037165
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Prime(n)*prime(n+1)-prime(n)-prime(n+1).
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24
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1, 7, 23, 59, 119, 191, 287, 395, 615, 839, 1079, 1439, 1679, 1931, 2391, 3015, 3479, 3959, 4619, 5039, 5615, 6395, 7215, 8447, 9599, 10199, 10811, 11447, 12095, 14111, 16379, 17679, 18767, 20423, 22199, 23399, 25271, 26891, 28551, 30615, 32039
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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COMMENTS
| a(n) is also the Frobenius number of the numerical semigroup generated by prime(n) and prime(n+1) - Victoria A Sapko (vsapko(AT)math.unl.edu), Feb 21 2001
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REFERENCES
| R. Froberg, C. Gottlieb and R. Haggkvist, "On numerical semigroups", Semigroup Forum, 35 (1987), 63-83 (for definition of Frobenius number).
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CROSSREFS
| Sequence in context: A151718 A027918 A058195 * A126284 A140096 A096345
Adjacent sequences: A037162 A037163 A037164 * A037166 A037167 A037168
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KEYWORD
| nonn
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AUTHOR
| Armand Turpel armandt(AT)unforgettable.com
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