A076053 Rearrangement of natural numbers such that the 2n-th partial sum is composite and (2n-1)-th partial sum is prime.

2, 4, 1, 3, 7, 5, 9, 8, 14, 10, 16, 6, 12, 11, 19, 13, 17, 15, 21, 20, 26, 22, 32, 23, 31, 18, 24, 25, 29, 27, 33, 28, 38, 34, 40, 35, 41, 30, 48, 36, 44, 37, 39, 42, 54, 43, 59, 45, 53, 46, 66, 47, 51, 49, 63, 52, 70, 50, 58, 55, 57, 56, 60, 61, 71, 62, 64, 65, 85, 67, 75, 69

Offset

1,1

Links

Table of n, a(n) for n=1..72.

Crossrefs

Sequence in context: A293463 A163360 A348138 * A370020 A338530 A248212

Adjacent sequences: A076050 A076051 A076052 * A076054 A076055 A076056

Keyword

nonn

Author

Amarnath Murthy, Oct 04 2002

Extensions

More terms from Sascha Kurz, Jan 20 2003

Status

approved