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 1-10 of 10 results.

A030761 Record values in A030757.

Original entry on oeis.org

1, 3, 4, 6, 8, 11, 13, 16, 18, 22, 25, 28, 30, 35, 38, 42, 45, 50, 52, 56, 59, 64, 66, 71, 77, 82, 87, 91, 95, 97, 102, 107, 111, 116, 121, 125, 128, 135, 139, 143, 147, 152, 158, 161, 166, 172, 178, 184, 188, 194, 198, 205, 209, 216, 222, 227, 232, 237, 242
Offset: 1

Views

Author

Clark Kimberling

Keywords

Comments

Is this the same as A030711? [From R. J. Mathar, Oct 23 2008]
Almost certainly a duplicate based on how these sequences are constructed, they are definitely the same for the first 2000 terms. - Sean A. Irvine, Apr 08 2020

Extensions

More terms and simpler title from Sean A. Irvine, Apr 08 2020

A030764 Numbers k such that A030757(k) = 2.

Original entry on oeis.org

7, 10, 15, 21, 29, 38, 50, 54, 55, 57, 65, 69, 82, 85, 100, 122, 126, 127, 130, 146, 173, 175, 177, 182, 203, 219, 237, 239, 241, 242, 249, 273, 312, 316, 317, 327, 354, 359, 400, 403, 404, 411, 448, 500, 505, 506, 524, 557, 561
Offset: 1

Views

Author

Clark Kimberling

Keywords

Crossrefs

Cf. A030757.

A030765 Numbers k such that A030757(k) = 3.

Original entry on oeis.org

3, 11, 16, 18, 22, 32, 39, 51, 66, 71, 72, 74, 83, 87, 101, 107, 123, 147, 150, 152, 157, 174, 204, 208, 210, 216, 238, 255, 274, 278, 280, 281, 355, 361, 362, 406, 415, 449, 454, 455, 502, 558, 565, 566, 585, 620, 625, 627, 636
Offset: 1

Views

Author

Clark Kimberling

Keywords

Crossrefs

Cf. A030757.

A030760 a(n)=least k such that s(k)=n, where s=A030757.

Original entry on oeis.org

1, 7, 3, 5, 17, 8, 35, 13, 45, 34, 19, 46, 27, 61, 95, 36, 164, 48, 97, 141, 96, 63, 196, 118, 80, 303, 142, 98, 169, 120, 200, 436, 391, 199, 144, 233, 349, 171, 270, 493, 269, 201, 610, 308, 235, 548, 351, 495, 350, 271, 744, 310
Offset: 1

Views

Author

Clark Kimberling

Keywords

A030762 Positions of records in A030757.

Original entry on oeis.org

1, 3, 5, 8, 13, 19, 27, 36, 48, 63, 80, 98, 120, 144, 171, 201, 235, 271, 310, 352, 398, 446, 498, 555, 616, 681, 749, 820, 893, 970, 1051, 1135, 1223, 1315, 1410, 1509, 1614, 1722, 1833, 1947, 2066, 2190, 2316, 2446, 2582, 2724, 2871, 3021, 3176, 3334, 3498
Offset: 1

Views

Author

Clark Kimberling

Keywords

Extensions

More terms and simpler title from Sean A. Irvine, Apr 08 2020

A030763 s(n)=1, where s=A030757.

Original entry on oeis.org

1, 2, 4, 6, 9, 12, 14, 20, 23, 28, 37, 40, 42, 49, 52, 64, 67, 81, 99, 102, 103, 106, 121, 124, 145, 148, 153, 172, 185, 202, 205, 206, 213, 236, 272, 275, 276, 311, 314, 353, 356, 357, 364, 399, 447, 450, 451, 467, 499, 501, 503
Offset: 1

Views

Author

Clark Kimberling

Keywords

A030766 Numbers k such that A030757(k) = 4.

Original entry on oeis.org

5, 24, 30, 31, 44, 53, 68, 89, 90, 104, 131, 149, 154, 176, 179, 207, 240, 244, 246, 277, 288, 313, 315, 319, 322, 373, 401, 408, 409, 462, 504, 509, 511, 562, 621, 629, 634, 642, 650, 688, 693, 695, 704, 752, 754, 761, 778, 823
Offset: 1

Views

Author

Clark Kimberling

Keywords

Crossrefs

Cf. A030757, A030764, A030765.

A030709 Number of new terms at stage n in the formation of A030707.

Original entry on oeis.org

1, 1, 2, 3, 5, 6, 8, 9, 12, 15, 17, 18, 22, 24, 27, 30, 34, 36, 39, 42, 46, 48, 52, 57, 61, 65, 68, 71, 73, 77, 81, 84, 88, 92, 95, 99, 105, 108, 111, 114, 119, 124, 126, 130, 136, 142, 147, 150, 155, 158, 164, 167, 175, 180, 185, 189, 193, 197, 202, 207, 211
Offset: 1

Views

Author

Clark Kimberling

Keywords

Comments

Also the number of new terms at stage n in the formation of A030757.

Links

Crossrefs

Cf. A030707, A030708, A030757, A030758.

Extensions

More terms from Sean A. Irvine, Apr 06 2020

A030758 The second list after the following procedure: starting with a list [1] and an empty list, repeatedly add the distinct values already in both lists in descending order to the second list and add the corresponding frequencies of those values to the first list.

Original entry on oeis.org

1, 1, 3, 1, 4, 3, 1, 6, 4, 3, 2, 1, 8, 6, 4, 3, 2, 1, 11, 8, 6, 5, 4, 3, 2, 1, 13, 11, 8, 6, 5, 4, 3, 2, 1, 16, 13, 11, 10, 8, 7, 6, 5, 4, 3, 2, 1, 18, 16, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 22, 18, 16, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 25
Offset: 1

Views

Author

Clark Kimberling

Keywords

Links

Crossrefs

The first list is A030757.
Cf. A030707, A030708, A030709.

Extensions

Name revised in line with A030778 by Peter Munn, Oct 08 2022

A030759 Duplicate of A030709.

Original entry on oeis.org

1, 1, 2, 3, 5, 6, 8, 9, 12, 15, 17, 18, 22, 24, 27, 30, 34, 36, 39, 42, 46, 48, 52, 57, 61, 65, 68, 71
Offset: 1

Views

Author

Clark Kimberling

Keywords

Comments

Original title: Number of new terms at stage n in the formation of A030757.
Showing 1-10 of 10 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.