A362466 First occurrence of n in A362465 or -1 if n is not a term in A362465.

1, 0, 3, 29, -1, 521, -1, 31751, -1, 47973321, -1

Offset

2,3

Comments

All terms a(n) for even n > 4 are conjectures and conjectured to be -1. This follows from the reason derived from Polignac's conjecture that is described in A362465.

The requirements for the truth of the above conjecture about this sequence seem to be notably weaker than for Polignac's conjecture.

Links

Table of n, a(n) for n=2..12.

Example

a(5) = 29 because it is the least number that cannot be expressed as a sum of more than 1 and fewer than 5 consecutive signed primes. The example in A362465 shows that there is a solution for 29 with 5 consecutive signed primes, but not with more than 1 and fewer than 5.

Crossrefs

Cf. A362465.

Sequence in context: A119156 A175979 A096621 * A143234 A071195 A292625

Adjacent sequences: A362463 A362464 A362465 * A362467 A362468 A362469

Keyword

more,sign

Author

Karl-Heinz Hofmann and Peter Munn, Apr 24 2023

Status

approved