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A271512
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a(n) = (p+1)*(p+2)*(p+3)/6 where p is the n-th prime.
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1
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10, 20, 56, 120, 364, 560, 1140, 1540, 2600, 4960, 5984, 9880, 13244, 15180, 19600, 27720, 37820, 41664, 54740, 64824, 70300, 88560, 102340, 125580, 161700, 182104, 192920, 215820, 227920, 253460, 357760, 392084, 447580, 467180, 573800, 596904, 669920, 748660
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OFFSET
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1,1
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COMMENTS
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LINKS
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FORMULA
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MAPLE
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MATHEMATICA
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Table[(Prime[n]^3 + 6 Prime[n]^2 + 11 Prime[n] + 6) / 6, {n, 50}]
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PROG
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(Magma) [(p+1)*(p+2)*(p+3) / 6: p in PrimesUpTo(200)];
(Python)
from sympy import prime
for n in range(1, 1000):
p=prime(n)
print((int)(((p+1)*(p+2)*(p+3))/6))
(PARI) lista(nn) = forprime(p=2, nn, print1((p+1)*(p+2)*(p+3)/6, ", ")); \\ Altug Alkan, Apr 10 2016
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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