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.

A361663 A361662(n) = A025487(a(n)).

Original entry on oeis.org

1, 3, 4, 5, 8, 12, 16, 6, 23, 8, 13, 12, 9, 16, 22, 10, 26, 23, 15, 8, 23, 13, 24, 12, 22, 11, 73, 16, 97, 64, 77, 14, 17, 26, 55, 23, 67, 15, 39, 35, 55, 23, 33, 13, 154, 24, 78, 12, 101, 93, 79, 19, 42, 73, 93, 16, 99, 97, 34, 64, 31, 77, 23, 18, 93, 17, 77
Offset: 1

Views

Author

Pontus von Brömssen, Mar 20 2023

Keywords

Links

Crossrefs

Cf. A025487, A361662.

A361664 a(n) = A074206(A361662(n))/n.

Original entry on oeis.org

1, 1, 1, 1, 4, 8, 16, 1, 28, 2, 4, 4, 1, 8, 5, 1, 32, 14, 4, 1, 12, 2, 16, 2, 3, 1, 1104, 4, 2944, 848, 804, 1, 4, 16, 164, 7, 544, 2, 64, 32, 140, 6, 32, 1, 6812, 8, 768, 1, 752, 286, 528, 4, 64, 552, 260, 2, 3904, 1472, 32, 424, 16, 402, 4, 1, 220, 2, 372, 8
Offset: 1

Views

Author

Pontus von Brömssen, Mar 20 2023

Keywords

Links

Crossrefs

Cf. A074206, A361662, A361667, A361668.

Formula

a(n) = A361667(n) if n is not in A361668. The equality holds also for some n in A361668; for example, a(256) = A361667(256) = 1.

A361668 Numbers k such that A361662(k) != A181821(A361666(k)).

Original entry on oeis.org

30, 51, 60, 89, 102, 105, 113, 119, 120, 128, 135, 145, 149, 150, 153, 168, 178, 179, 181, 191, 200, 204, 210, 215, 219, 221, 224, 226, 238, 240, 245, 248, 256, 257, 267, 270, 277, 281, 290, 298, 299, 300, 305, 306, 313, 317, 323, 336, 343, 345, 349, 356, 357
Offset: 1

Views

Author

Pontus von Brömssen, Mar 20 2023

Keywords

Comments

Equivalently, numbers k such that A361666(k) != A181820(A361663(k)).

Crossrefs

Cf. A181820, A181821, A361662, A361663, A361666.

A361666 Least number k >= 1 such that A361665(k) is divisible by n.

Original entry on oeis.org

1, 3, 4, 5, 10, 14, 22, 6, 25, 10, 12, 14, 8, 22, 16, 11, 33, 25, 15, 10, 25, 12, 28, 14, 16, 9, 98, 22, 143, 75, 100, 13, 20, 33, 60, 25, 84, 15, 52, 38, 60, 25, 39, 12, 200, 28, 92, 14, 112, 72, 80, 21, 51, 98, 72, 22, 170, 143, 42, 75, 44, 100, 25, 17, 72
Offset: 1

Views

Author

Pontus von Brömssen, Mar 20 2023

Keywords

Crossrefs

Cf. A361662, A361665, A361667.
Showing 1-4 of 4 results.

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

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