A083181 a(1)=1, a(n) = smallest positive integer not included earlier such that the partial sums of a(A000040) are composite and the partial sums of a(A002808) are primes.

1, 4, 2, 3, 6, 8, 9, 12, 14, 10, 5, 20, 7, 16, 18, 26, 11, 22, 13, 24, 38, 28, 15, 30, 42, 36, 32, 40, 19, 44, 17, 46, 48, 50, 34, 60, 21, 56, 52, 54, 23, 66, 25, 62, 58, 68, 27, 64, 78, 102, 72, 90, 31, 74, 70, 80, 76, 84, 29, 86, 33, 88, 98, 94, 104, 82, 35, 92, 96, 106, 37

Offset

1,2

Links

Table of n, a(n) for n=1..71.

Crossrefs

Cf. A083179, A083180.

Sequence in context: A275590 A338844 A333406 * A134074 A010315 A021240

Adjacent sequences: A083178 A083179 A083180 * A083182 A083183 A083184

Keyword

nonn

Author

Amarnath Murthy, Apr 26 2003

Extensions

More terms from David Wasserman, Oct 26 2004

Status

approved