A000040|A014686

[Eric]

A000040 The prime numbers
[2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,
 61,67,71,73,79,83,89,97,101,103,107,109,113,127,
 131,137,139,149,151,157,163,167,173,179,181,191,
 193,197,199,211,223,227,229,233,239,241,251,257,
 263,269,271]

A014686
In sequence of prime numbers add 1 to first prime, 3rd prime, fifth prime,
... then subtract 1 from 2nd prime, fourth prime, sixth prime and so on.
[3,2,6,6,12,12,18,18,24,28,32,36,42,42,48,52,60,
 60,68,70,74,78,84,88,98,100,104,106,110,112,128,
 130,138,138,150,150,158,162,168,172,180,180,192,
 192,198,198,212,222,228,228,234,238,242,250,258,
 262,270,270]

sumA014686 = sumA000040 = 7141
(n<=58)


1 3 5 7 9  11 13 15 17 19 21 23 ...144
2 2 6 6 10 10 14 14 18 18 22 22 ...144

2 4 6 8 10 12 14 16 18 20 22 24 ...156
3 3 7 7 11 11 15 15 19 19 23 23 ...156

2,3,5,7,11,13,17,19,23,29,31,37 ...197
3,2,6,6,12,12,18,18,24,28,32,36 ...197

1 2 3 4  5  6  7  8  9 10 11 12 ... 78
2 1 4 3  6  5  8  7 10  9 12 11 ... 78


A109722  Sum of first 2n primes.
0, 5, 17, 41, 77, 129, 197, 281, 381, 501, 639, 791, 963, 1161, 1371, 1593,
1851, 2127, 2427, 2747, 3087, 3447, 3831, 4227, 4661, 5117, 5589, 6081,
6601, 7141, 7699, 8275, 8893, 9523, 10191, 10887, 11599, 12339, 13101,
13887, 14697, 15537, 16401, 17283