A343736 a(n) is the number of divisors of A343735(n).

1, 2, 3, 4, 6, 12, 16, 18, 24, 32, 36, 48, 72, 96, 128, 144, 192, 256, 288, 384, 432, 512, 576, 648, 768, 1024, 1296, 1536, 1728, 2048, 2304, 2592, 3456, 3888, 4608, 5760, 6912, 7680, 8640, 9216, 12288, 13824, 15360, 17280, 18432, 20480, 23040, 30720, 34560

Offset

1,2

Links

Table of n, a(n) for n=1..49.

Formula

a(n) = A000005(A343735(n)).

Crossrefs

Cf. A000005, A002113 (palindromes), A076888 (their number of divisors), A029950 (odd palindromes), A343735, A344422, A345250.

Sequence in context: A015904 A015888 A339793 * A173581 A075122 A018333

Adjacent sequences: A343733 A343734 A343735 * A343737 A343738 A343739

Keyword

nonn,base

Author

Jon E. Schoenfield, Jun 22 2021

Status

approved