STATUS
proposed
approved
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Revision History for A003415
(Bold, blue-underlined text is an addition; faded, red-underlined text is aShowing entries 1-10 | older changes
a(n) = n' = arithmetic derivative of n: a(0) = a(1) = 0, a(prime) = 1, a(m*n) = m*a(n) + n*a(m).
(history; published version)
(history; published version)
STATUS
editing
proposed
LINKS
T. Tossavainen, P. Haukkanen, J. K. Merikoski , and M. Mattila, <a href="https://doi.org/10.1080/07468342.2023.2268494"> We can differentiate numbers, too </a>, The College Mathematics Journal 55 (2024), no. 2, 100--108.
STATUS
proposed
editing
STATUS
editing
proposed
LINKS
T. Tossavainen, P. Haukkanen, J. K. Merikoski and M. Mattila, <a href="https://doi.org/10.1080/07468342.2023.2268494"> We can differentiate numbers, too </a>,The College Mathematics Journal 55 (2024), no. 2, 100--108
STATUS
approved
editing
STATUS
reviewed
approved
STATUS
proposed
reviewed
STATUS
editing
proposed
CROSSREFS
Cf. A027471 (derivative of 3^(n-1)).
STATUS
approved
editing
STATUS
proposed
approved