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.

A249437 a(n) = A249151(A249436(n)).

Original entry on oeis.org

7, 25, 23, 35, 47, 49, 41, 67, 89, 119, 97, 139, 113, 131, 120, 188, 181, 233, 168, 265, 209, 241, 259, 329, 309, 357, 337, 449, 463, 501, 288, 461, 409, 329, 493, 548, 571, 656, 649, 681, 577, 515, 791, 709, 601, 837, 805, 919, 995, 528, 721, 901, 961, 1009, 1121, 895, 1273, 977, 1063, 1121, 1376, 1273, 1057, 840, 1189, 1009
Offset: 1

Views

Author

Antti Karttunen, Nov 02 2014

Keywords

Comments

These are the ordinates of "stray points", listed in the order they appear (from left to right) in the scatter plot of A249151, in the sparsely populated region between the two topmost rays which have slopes 1 and 1/2: A249434 (A006093) and A249424.

Links

Crossrefs

A249438 gives the same sequence sorted into ascending order.
Cf. A249436, A249151, A006093, A249424, A249434.

Programs

Formula

a(n) = A249151(A249436(n)).

A249433 Integers n such that n! does not divide the product of elements on row n of Pascal's triangle.

Original entry on oeis.org

3, 5, 7, 8, 9, 11, 13, 14, 15, 17, 19, 20, 21, 23, 24, 25, 26, 27, 29, 31, 32, 33, 34, 37, 38, 41, 43, 44, 45, 47, 48, 49, 50, 51, 53, 54, 55, 56, 57, 59, 61, 63, 64, 65, 67, 68, 69, 71, 73, 74, 75, 76, 77, 80, 81, 84, 85, 86, 87, 90, 91, 92, 93, 94, 95, 97, 98, 99, 101, 103, 105, 109, 110, 111, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 127, 128
Offset: 1

Views

Author

Antti Karttunen, Nov 02 2014

Keywords

Comments

Integers n such that A249151(n) < n.
Equally: Integers n such that A249431(n) is negative.

Examples

			See the examples at A249434.

Links

Crossrefs

Complement: A249434.
Subsequences: A000225, A024023, A024049, etc., (after their two initial terms, i.e. A249435 without its initial zero is also a subsequence), A249424, A249436.
Cf. A000142, A001142, A007318, A249151, A249431.

A249438 Sequence A249437 sorted, with duplicates removed.

Original entry on oeis.org

7, 23, 25, 35, 41, 47, 49, 67, 89, 97, 113, 119, 120, 131, 139, 168, 181, 188, 209, 233, 241, 259, 265, 288, 309, 329, 337, 357, 409, 449, 461, 463, 493, 501, 515, 528, 548, 571, 577, 601, 649, 656, 681, 709, 721, 791, 805, 837, 840, 895, 901, 919, 961, 977, 995, 1009
Offset: 1

Views

Author

Antti Karttunen, Nov 03 2014

Keywords

Comments

These terms are the ordinates of "stray points" (listed by their order of magnitude) in the scatter plot of A249151, in the sparsely populated region between the two topmost rays which have slopes 1 and 1/2: A249434 (A006093) and A249424.

Crossrefs

Cf. A249436, A249437, A249151, A249424, A249434.
Showing 1-3 of 3 results.

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

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