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A345069
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Sums of two consecutive even-indexed primes.
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1
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10, 20, 32, 48, 66, 80, 96, 114, 132, 150, 168, 190, 208, 220, 244, 270, 290, 314, 336, 354, 374, 392, 422, 452, 468, 490, 514, 534, 552, 574, 604, 628, 654, 686, 708, 732, 756, 780, 806, 830, 854, 876, 900, 920, 942, 970, 994, 1024, 1062, 1098, 1126, 1146, 1170, 1194, 1214
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OFFSET
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1,1
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LINKS
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FORMULA
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a(n) = prime(2*n) + prime(2*n+2).
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EXAMPLE
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10 is in the sequence since it is the sum of 3 and 7, which are the 2nd and 4th prime numbers.
20 is in the sequence since it is the sum of 7 and 13, the 4th and 6th prime numbers.
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MATHEMATICA
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Table[Prime[2 n] + Prime[2 n + 2], {n, 80}]
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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