A249149 One more than positions of records in A249442.

1, 5, 7, 14, 16, 44, 48, 240, 7200, 16560, 21600, 33120, 45360, 60480, 90720, 1179360, 9918720, 10614240, 12096000, 170553600, 271434240, 359251200, 432432000

Offset

1,2

Comments

After 1, these terms factorize as: 5, 7, 2 * 7, 2^4, 2^2 * 11, 2^4 * 3, 2^4 * 3 * 5, 2^5 * 3^2 * 5^2, 2^4 * 3^2 * 5 * 23, 2^5 * 3^3 * 5^2, 2^5 * 3^2 * 5 * 23, 2^4 * 3^4 * 5 * 7, 2^6 * 3^3 * 5 * 7, 2^5 * 3^4 * 5 * 7, 2^5 * 3^4 * 5 * 7 * 13, ...

Links

Table of n, a(n) for n=1..23.

Formula

a(n) = A249440(n)+1.

Prog

(Python)
from itertools import count, islice
def A249149_gen(): # generator of terms; uses code/imports from A249442
    record = -1
    for n in count(0):
        v = A249442(n)
        if v > record:
            record = v
            yield n+1
print(list(islice(A249149_gen(), 15))) # Michael S. Branicky, Jul 24 2026

Crossrefs

One more than A249440.

Sequence in context: A314340 A314341 A314342 * A301686 A314343 A105638

Adjacent sequences: A249146 A249147 A249148 * A249150 A249151 A249152

Keyword

nonn,more,changed

Author

Antti Karttunen, Nov 04 2014

Extensions

a(17)-a(23) from Michael S. Branicky, Jul 24 2026

Status

approved