A267381 Positions of first occurrence of 2,3,4, ... in A267380.

2, 1, 4, 33, 1621, 3615901, 18001725286324, 447860502903416190825363096, 277857758101409322438325757171462539621726973493284684

Offset

2,1

Comments

Not currently known to be an infinite sequence.

If A094186(n) = A094186(n+1) = ... = A094186(n+m) = 0, then A094186(N) = A094186(N+1) = ... = A094186(N+m+1) = 0, where N = 2 + (n + m) * (n + m + 1) / 2 - m. So, this sequence is infinite. - Hiroaki Yamanouchi, Jan 19 2016

Links

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

Example

The first few terms of A267380 are 3,2,3,4,... so 2 occurs first at position 2; 3 occurs first at position 1; 4 occurs first at position 4; etc.

Crossrefs

Cf. A267380.

Sequence in context: A230600 A025506 A174941 * A061655 A009830 A053374

Adjacent sequences: A267378 A267379 A267380 * A267382 A267383 A267384

Keyword

nonn

Author

Jeffrey Shallit, Jan 13 2016

Extensions

a(7)-a(10) from Hiroaki Yamanouchi, Jan 16 2016

Status

approved