A367601 a(n) is the number of terms in the analog of A121805 but starting with A037124(n), or -1 if that sequence is infinite.

2137453, 194697747222394, 2, 199900, 19706, 209534289952018960, 15, 198104936410, 19511030, 20573, 19278442756937613, 207556412347088426, 2153441655319779164332, 1960210914, 204, 19, 195607586, 21, 19511029, 1922379655900, 15, 1979, 191782579276710577865, 1927

Offset

1,1

Comments

This is by definition a subsequence of A330128.

Links

Michael S. Branicky, Table of n, a(n) for n = 1..1000

Michael S. Branicky, Table of indices and record highs in A367601

Crossrefs

Cf. A037124, A121805, A330128, A330129, A367364, A367365.

For records see A367602 and A367603.

Sequence in context: A237224 A244072 A330128 * A367364 A367602 A237140

Adjacent sequences: A367598 A367599 A367600 * A367602 A367603 A367604

Keyword

nonn,base

Author

Michael S. Branicky and N. J. A. Sloane, Dec 06 2023

Status

approved