A370969 First differences of A337486.

5, 4, 2, 2, 4, 2, 2, 4, 2, 2, 4, 2, 2, 4, 2, 1, 1, 4, 2, 2, 4, 2, 6, 2, 2, 2, 6, 4, 2, 2, 4, 2, 1, 1, 1, 3, 1, 1, 4, 2, 4, 1, 3, 2, 2, 1, 3, 2, 2, 4, 2, 2, 1, 1, 6, 4, 1, 1, 2, 4, 2, 2, 3, 1, 2, 1, 1, 4, 1, 1, 3, 3, 2, 4, 2, 4, 4, 2, 2, 4, 2, 2, 4, 2, 2, 2, 6

Offset: 1

Author

N. J. A. Sloane, Apr 11 2024

Keywords

• nonn

Links

• Amiram Eldar, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A008336, A337486.

Programs

Python

from itertools import count, islice
def A370969_gen(): # generator of terms
    c, m = 1, 1
    for n in count(2):
        a, b = divmod(c,n)
        if not b:
            yield n-m
            c, m = a, n
        else:
            c *= n
A370969_list = list(islice(A370969_gen(),30)) # Chai Wah Wu, Apr 11 2024