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 1-4 of 4 results.

A278497 a(n) = Least number with the prime signature of A276573(n).

Original entry on oeis.org

2, 6, 8, 2, 6, 16, 12, 6, 24, 8, 30, 32, 6, 6, 24, 2, 12, 48, 6, 2, 24, 2, 12, 64, 2, 30, 72, 12, 30, 48, 2, 6, 24, 60, 6, 96, 12, 30, 30, 72, 48, 6, 12, 120, 6, 60, 128, 2, 6, 24, 2, 6, 144, 12, 2, 24, 6, 6, 96, 48, 30, 120, 12, 2, 48, 2, 6, 30, 24, 192, 30, 60, 72, 6, 12, 210, 6, 216, 6, 6, 96, 2, 30, 2, 12, 240, 32, 12, 24, 2, 30, 256, 6, 12, 120, 6, 120
Offset: 1

Views

Author

Antti Karttunen, Nov 25 2016

Keywords

Links

Crossrefs

Cf. A002828, A046523, A260733, A276573, A278160, A278498, A278499.
Cf. A277014 (gives the indices of squares).
Cf. also A278232.

Programs

Formula

a(n) = A046523(A276573(n)).
For all n >= 1, a(A260733(1+n)) = A278160(n).

A278262 a(n) = A278222(A179016(n)).

Original entry on oeis.org

2, 4, 2, 8, 2, 12, 16, 2, 12, 24, 12, 32, 2, 12, 24, 30, 24, 12, 60, 24, 64, 2, 12, 24, 30, 24, 30, 210, 60, 48, 12, 60, 12, 180, 8, 24, 16, 128, 2, 12, 24, 30, 24, 30, 210, 60, 48, 30, 210, 30, 420, 12, 60, 24, 96, 12, 60, 12, 180, 60, 360, 360, 24, 216, 72, 16, 432, 256, 2, 12, 24, 30, 24, 30, 210, 60, 48, 30, 210, 30, 420, 12, 60, 24, 96, 30, 210, 30, 420
Offset: 1

Views

Author

Antti Karttunen, Nov 22 2016

Keywords

Links

Crossrefs

Cf. A179016, A278222.
Cf. also A213712, A278232.

Programs

Formula

a(n) = A278222(A179016(n)).

A278532 a(n) = A278219(A255056(n)).

Original entry on oeis.org

1, 4, 4, 6, 16, 6, 6, 36, 24, 24, 6, 6, 4, 36, 64, 24, 60, 60, 24, 6, 6, 4, 36, 144, 60, 64, 216, 24, 6, 60, 96, 60, 60, 60, 24, 6, 6, 4, 36, 144, 60, 144, 60, 60, 144, 64, 96, 216, 216, 24, 6, 60, 240, 210, 96, 360, 60, 6, 60, 96, 60, 60, 60, 24, 6, 6, 4, 36, 144, 60, 144, 60, 60, 900, 144, 360, 360, 60, 60, 144, 144, 240, 384, 96, 360, 216, 360, 216, 216, 24
Offset: 0

Views

Author

Antti Karttunen, Nov 30 2016

Keywords

Links

Crossrefs

Cf. A255056, A255336, A278219, A278232, A278262, A278534.

Programs

Formula

a(n) = A278219(A255056(n)).

A278534 a(n) = A278236(A219666(n)).

Original entry on oeis.org

1, 2, 2, 12, 6, 12, 4, 180, 360, 6, 12, 6, 420, 180, 360, 4, 36, 420, 1260, 1800, 24, 120, 360, 1080, 48, 48, 720, 75600, 6, 12, 6, 420, 180, 360, 6, 60, 2310, 4620, 2520, 60, 420, 1260, 2520, 120, 120, 360, 83160, 5040, 720, 75600, 4, 36, 420, 1260, 1800, 60, 420, 1260, 2520, 180, 180, 900, 12600, 360, 12600, 5400, 720, 277200, 529200, 24, 120, 360, 1080, 120, 120
Offset: 0

Views

Author

Antti Karttunen, Nov 30 2016

Keywords

Links

Crossrefs

Cf. A219666, A230406, A278232, A278236, A278262, A278532.

Programs

Formula

a(n) = A278236(A219666(n)).
Showing 1-4 of 4 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.