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 1-7 of 7 results.

A096512 Numbers k such that A096509(k) = 1; i.e., the number of prime powers (including primes) in the neighborhood of k with radius ceiling(log(k)) is 1.

Original entry on oeis.org

54, 89, 90, 91, 95, 115, 119, 143, 145, 204, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 218, 219, 220, 296, 297, 298, 299, 301, 302, 303, 304, 320, 321, 322, 323, 325, 326, 327, 328, 329, 330, 390, 409, 410, 411, 471, 475, 476, 477, 478, 479, 531
Offset: 1

Views

Author

Labos Elemer, Jul 12 2004

Keywords

Crossrefs

Cf. A096508-A096519.

A096518 Solutions to A096509[x]=7; number of prime-powers [including primes] in the neighborhood of x with Ceiling[Log[x]] radius equals 7.

Original entry on oeis.org

75991, 85841, 88801, 88805, 88807, 88808, 88809, 88810, 88811, 93491, 113155, 113159, 113161, 113165, 163984, 163985, 163986, 165708, 165709, 165710, 165711, 165712, 165713, 165714, 166854, 191454, 191460, 198828, 198829, 198830, 223836
Offset: 1

Views

Author

Labos Elemer, Jul 12 2004

Keywords

Crossrefs

Cf. A096508-A096519.

A096511 Numbers k such that A096509(k) = 0; i.e., the number of prime powers (including primes) in the neighborhood of k with radius ceiling(log(k)) is 0.

Original entry on oeis.org

1, 300, 324, 895, 896, 897, 898, 899, 1077, 1078, 1079, 1138, 1139, 1140, 1141, 1142, 1268, 1340, 1341, 1342, 1343, 1344, 1345, 1346, 1347, 1348, 1349, 1350, 1351, 1352, 1390, 1646, 1647, 1648, 1768, 1922, 1960, 1961, 1962, 1963, 1964, 2170, 2320, 2321
Offset: 1

Views

Author

Labos Elemer, Jul 12 2004

Keywords

Crossrefs

Cf. A096508-A096519.

A096513 Numbers k such that A096509(k) = 2; i.e., the number of prime powers (including primes) in the neighborhood of k with radius ceiling(log(k)) is 2.

Original entry on oeis.org

2, 36, 37, 38, 42, 48, 52, 53, 55, 73, 87, 88, 92, 93, 94, 96, 97, 113, 114, 116, 117, 118, 120, 121, 137, 138, 139, 140, 141, 142, 144, 146, 147, 148, 149, 150, 156, 158, 159, 160, 180, 181, 182, 183, 184, 186, 188, 189, 190, 200, 201, 202, 203, 205, 217, 221
Offset: 1

Views

Author

Labos Elemer, Jul 12 2004

Keywords

Examples

			k=36 is a term: ceiling(log(36)) = ceiling(3.5835...) = 4, and in [36-4, 36+4] = [32, 40], 32 and 37 are the two corresponding powers of primes.

Crossrefs

Cf. A096508-A096519.

A096514 Solutions to A096509[x]=3; number of prime-powers [including primes] in the neighborhood of x with Ceiling[Log[x]] radius equals 3.

Original entry on oeis.org

12, 13, 15, 17, 18, 19, 20, 22, 24, 32, 34, 35, 39, 40, 41, 43, 44, 46, 47, 49, 50, 51, 56, 57, 58, 59, 60, 61, 65, 67, 70, 71, 72, 74, 75, 77, 79, 80, 81, 82, 83, 85, 86, 98, 99, 100, 101, 103, 107, 109, 110, 111, 112, 122, 131, 133, 134, 135, 136, 151, 152, 153, 154
Offset: 1

Views

Author

Labos Elemer, Jul 12 2004

Keywords

Examples

			n=122: in [117,127] {121,125,127} are the 3 corresponding
powers of prime.

Crossrefs

Cf. A096508-A096519.

A096516 Solutions to A096509[x]=5; number of prime-powers [including primes] in the neighborhood of x with Ceiling[Log[x]] radius equals 5.

Original entry on oeis.org

8, 10, 27, 28, 29, 126, 1026, 1283, 1284, 1285, 1295, 1296, 1297, 1299, 1431, 1485, 1486, 1487, 1488, 1489, 1491, 1605, 1613, 1614, 1615, 1869, 1871, 1872, 1873, 1874, 1875, 1995, 2135, 2136, 2137, 2205, 2385, 2685, 2691, 2795, 2796, 2797, 3322, 3458
Offset: 1

Views

Author

Labos Elemer, Jul 12 2004

Keywords

Examples

			n=126: in [121,131] {121,125,127,128,131} are the 5 corresponding
powers of prime.

Crossrefs

Cf. A096508-A096519.

A096517 Solutions to A096509[x]=6; number of prime-powers [including primes] in the neighborhood of x with Ceiling[Log[x]] radius equals 6.

Original entry on oeis.org

4792, 5648, 5650, 9429, 13687, 13688, 13689, 14553, 14631, 16063, 16064, 16065, 16066, 16067, 18051, 19423, 19424, 19425, 19426, 19427, 19431, 21021, 22280, 22281, 22282, 24102, 26690, 26691, 26692, 26720, 26721, 26722, 27740, 27741
Offset: 1

Views

Author

Labos Elemer, Jul 12 2004

Keywords

Examples

			n=4792: in [4793,4801] {4783,4787,4789,4793,4799,4801} are the 6 corresponding
powers of prime.

Crossrefs

Cf. A096508-A096519.
Showing 1-7 of 7 results.

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