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A078310
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n*rad(n) + 1, where rad=A007947 (squarefree kernel).
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17
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2, 5, 10, 9, 26, 37, 50, 17, 28, 101, 122, 73, 170, 197, 226, 33, 290, 109, 362, 201, 442, 485, 530, 145, 126, 677, 82, 393, 842, 901, 962, 65, 1090, 1157, 1226, 217, 1370, 1445, 1522, 401, 1682, 1765, 1850, 969, 676, 2117, 2210, 289, 344, 501, 2602, 1353
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| a(n)=A064549(n)+1.
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LINKS
| Charles R Greathouse IV, Table of n, a(n) for n = 1..10000
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PROG
| (Haskell)
a078310 n = a078310_list !! (n-1)
a078310_list = map (+ 1) $ zipWith (*) [1..] a007947_list
-- Reinhard Zumkeller, Oct 19 2011
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CROSSREFS
| Smallest, greatest factor: A078311, A078312, number of factors: A078313, A078314, min, max exponent: A078315, A078316, number, sum of divisors: A078317, A078318, sum of prime factors: A078319, A078320, Euler's totient: A078321, squarefree kernel: A078322, arithmetic derivative: A078323.
Cf. primes: A078324, squarefree: A078325, squareful: A078326.
Sequence in context: A140469 A001440 A097378 * A138848 A194350 A123466
Adjacent sequences: A078307 A078308 A078309 * A078311 A078312 A078313
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KEYWORD
| nonn
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AUTHOR
| Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Nov 23 2002
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