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 1-3 of 3 results.

A345989 Smallest tetrahedral number m*(m+1)*(m+2)/6 that is divisible by n.

Original entry on oeis.org

1, 4, 84, 4, 10, 84, 35, 56, 2925, 10, 165, 84, 286, 56, 120, 560, 680, 3276, 969, 20, 84, 220, 1771, 120, 2300, 286, 85320, 56, 3654, 120, 4495, 4960, 165, 680, 35, 3276, 7770, 1140, 2925, 120, 10660, 84, 12341, 220, 2925, 2024, 16215, 816, 18424, 2300, 816, 364, 23426, 85320, 165, 56, 969, 3654, 32509
Offset: 1

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Author

N. J. A. Sloane, Jul 13 2021

Keywords

Comments

Equals m*(m+1)*(m+2)/6 where m = A265647(n).

Crossrefs

A345990 Smallest m such that n divides m*(m+1)*(m+2).

Original entry on oeis.org

1, 1, 1, 2, 3, 1, 5, 2, 7, 3, 9, 2, 11, 5, 3, 6, 15, 7, 17, 3, 5, 9, 21, 2, 23, 11, 25, 6, 27, 3, 29, 14, 9, 15, 5, 7, 35, 17, 11, 4, 39, 5, 41, 10, 8, 21, 45, 6, 47, 23, 15, 11, 51, 25, 9, 6, 17, 27, 57, 3, 59, 29, 7, 30, 13, 9, 65, 15, 21, 5, 69, 7, 71, 35, 23, 18, 20, 11, 77, 8, 79, 39, 81, 6, 15, 41, 27, 10, 87, 8
Offset: 1

Views

Author

N. J. A. Sloane, Jul 13 2021

Keywords

Crossrefs

A345991 Smallest number of the form m*(m+1)*(m+2) that is divisible by n.

Original entry on oeis.org

6, 6, 6, 24, 60, 6, 210, 24, 504, 60, 990, 24, 1716, 210, 60, 336, 4080, 504, 5814, 60, 210, 990, 10626, 24, 13800, 1716, 17550, 336, 21924, 60, 26970, 3360, 990, 4080, 210, 504, 46620, 5814, 1716, 120, 63960, 210, 74046, 1320, 720, 10626, 97290, 336, 110544, 13800, 4080, 1716, 140556, 17550, 990
Offset: 1

Views

Author

N. J. A. Sloane, Jul 13 2021

Keywords

Comments

a(n) = m*(m+1)*(m+2) where m = A345990(n).

Crossrefs

Showing 1-3 of 3 results.