A350099 - OEIS

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A350099

a(n) is the upper end of a record gap A349995(n) between consecutive odd squarefree semiprimes (A046388).

4

21, 33, 111, 287, 2391, 6583, 8843, 13733, 15293, 21619, 36019, 66961, 113053, 340941, 783809, 872279, 3058917, 3586913, 5835265, 12345557, 108994713, 248707009, 268749791, 679956221, 709239737, 3648864977, 3790337843, 4171420613, 33955869829, 34279038517, 34840796509

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Lucas A. Brown, Table of n, a(n) for n = 1..41 (first 34 terms from Hugo Pfoertner)

Lucas A. Brown, Python program.

FORMULA

a(n) = A350098(n) + A349995(n).

EXAMPLE

CROSSREFS

Cf. A046388, A085809, A114057, A341828, A349995, A350098.

Sequence in context: A033901 A033656 A270074 * A032792 A146902 A146910

Adjacent sequences: A350096 A350097 A350098 * A350100 A350101 A350102

KEYWORD

nonn

AUTHOR

Hugo Pfoertner, Dec 26 2021

STATUS

approved