cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

Showing 1-2 of 2 results.

A137701 a(n) = semiprime(n)^prime(n).

Original entry on oeis.org

16, 216, 59049, 10000000, 4049565169664, 1946195068359375, 30041942495081691894741, 32064977213018365645815808, 142108547152020037174224853515625, 108199957741720996894562347292921981566976, 118558347188026655500106547231096910504441858017
Offset: 1

Views

Author

Jonathan Vos Post, Apr 27 2008

Keywords

Examples

			a(1) = Semiprime(1)^prime(1) = 4^2 = 16.
a(2) = Semiprime(2)^prime(2) = 6^3 = 216.
a(3) = Semiprime(3)^prime(3) = 9^5 = 59049.
a(4) = Semiprime(4)^prime(4) = 10^7 = 10000000.

Crossrefs

Cf. A000040, A001358, A051674, A114850, A111096.

Formula

a(n) = A001358(n)^A000040(n).

A125850 Sums of two or more distinct terms from A137701.

Original entry on oeis.org

232, 59065, 59265, 59281, 10000016, 10000216, 10000232, 10059049, 10059065, 10059265, 10059281, 4049565169680, 4049565169880, 4049565169896, 4049565228713, 4049565228729, 4049565228929, 4049565228945, 4049575169664, 4049575169680, 4049575169880, 4049575169896
Offset: 1

Views

Author

Jonathan Vos Post, May 03 2008

Keywords

Crossrefs

Cf. A111096, A137701.

Extensions

More terms from Jinyuan Wang, Jul 29 2022
Showing 1-2 of 2 results.

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.