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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

User: M. B. Jones

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A179825 Multiples of 6 which are not the sum of a pair of twin primes.

Original entry on oeis.org

96, 402, 516, 786, 906, 1116, 1146, 1266, 1356, 3246, 4206
Offset: 1

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Author

M. B. Jones, Jul 28 2010

Keywords

Comments

Subset of A007534.

Crossrefs

Cf. A007534

A179014 Even numbers that can only be expressed as the sum of two distinct twin prime pairs in two ways: n = p+(q+2) = (p+2)+q where (3,5) < (p,p+2) < (q,q+2).

Original entry on oeis.org

18, 24, 30, 36, 42, 54, 60, 66, 84, 108, 126, 138, 174, 186, 216, 228, 264, 276, 306, 360, 414, 444, 456, 486, 546, 558, 606, 636, 666, 684, 726, 738, 756, 774, 804, 876, 936, 978, 996, 1014, 1044, 1086, 1176, 1206, 1236, 1326, 1386, 1416, 1536, 1566, 1596, 1608, 1644, 1656, 1746, 1788, 1854, 1866, 1998, 2064, 2076, 2166, 2586, 2676, 3054, 3216, 3336, 3426, 3504, 3846, 7116, 7836, 9276, 9846, 12744, 15126, 15816, 24096, 24534
Offset: 1

Views

Author

M. B. Jones, Jun 23 2010, Jun 26 2010, Jul 07 2010

Keywords

Examples

			Sum arrangements for some n: n = p + (q+2) = (p+2) + q, 5 + 13 = 7 + 11, 5 + 19 = 7 + 17, 11 + 31 = 13 + 29, 29 + 109 = 31 + 107, 5 + 271 = 7 + 269, 11 + 433 = 13 + 431, 107 + 619 = 109 + 617, 347 + 829 = 349 + 827, 107 + 1429 = 109 + 1427, 821 + 1033 = 823 + 1031, 347 + 2239 = 349 + 2237, 41 + 3463 = 43 + 3461, 347 + 7489 = 349 + 7487, 3461 + 9283 = 3463 + 9281, 4091 + 20443 = 4093 + 20441

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