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.

Previous Showing 11-14 of 14 results.

A114417 Records in 7-almost prime gaps, ordered by merit.

Original entry on oeis.org

64, 96, 112, 168, 210, 280
Offset: 1

Views

Author

Jonathan Vos Post, Nov 25 2005

Keywords

Examples

			Records defined in terms of A114407 and A046308:
n A114407(n) A114407(n)/log(A046308(n))
1 64 64/log 128 = 30.371914
2 96 96/log 192 = 42.0443868
3 32 32/log 288 = 13.0113433
4 112 112/log 320 = 44.7079021
5 16 16/log 432 = 6.07099172
6 32 32/log 448 = 12.0696509
7 168 168/log 480 = 62.6575474
8 24 24/log 648 = 8.53614076
		

Crossrefs

Formula

a(n) = Records in A114417(n)/log(A046308(n)) = Records in (A046308(n+1) - A046308(n))/log(A046308(n)).

Extensions

a(5)-a(6) from Donovan Johnson, Feb 17 2010

A114418 Records in 8-almost prime gaps ordered by merit.

Original entry on oeis.org

128, 192, 224, 336, 420, 560
Offset: 1

Views

Author

Jonathan Vos Post, Dec 03 2005

Keywords

Examples

			Records defined in terms of A114408 and A046310:
n A114418(n) A114418(n)/log(A046310(n)).
1 128 128/log 256 = 53.1508495
2 192 192/log 384 = 74.2938824
3 64 64/log 576 = 23.1848568
4 224 224/log 640 = 79.8238182
5 32 32/log 864 = 10.8972758
6 64 64/log 896 = 21.6779549
7 336 336/log 960 = 112.665809
8 48 48/log 1296 = 15.4211665
22 420 420/log 2496 = 123.629603
		

Crossrefs

Formula

a(n) = records in A114418(n)/log(A046310(n)) = records in (A046310(n+1) - A046310(n))/log(A046310(n)).

Extensions

Offset corrected and a(6) from Donovan Johnson, Feb 17 2010

A114413 Records in 3-almost prime gaps ordered by merit.

Original entry on oeis.org

4, 6, 12, 58, 83
Offset: 1

Views

Author

Jonathan Vos Post, Nov 25 2005

Keywords

Examples

			Records defined in terms of A114403 and A014612:
  n  A114403(n)  A114403(n)/log_10(A014612(n))
  =  ==========  =============================
  1      4       4/log_10(8)   = 4.42923746
  2      6       6/log_10(12)  = 5.55977045
  3      2       2/log_10(18)  = 1.59327954
  4      7       7/log_10(20)  = 5.38035251
  5      1       1/log_10(27)  = 0.698634425
  6      2       2/log_10(28)  = 1.38201907
  7      12      12/log_10(30) = 8.12390991
  ...
  19     14      14/log_10(78) = 7.3992072
		

Crossrefs

Formula

a(n) = records in A114403(n)/log_10(A014612(n)) = records in (A014612(n+1) - A014612(n))/log_10(A014612(n)).

Extensions

a(4)-a(5) from Donovan Johnson, Feb 17 2010

A114416 Records in 6-almost prime gaps ordered by merit.

Original entry on oeis.org

32, 48, 56, 84, 105, 140
Offset: 1

Views

Author

Jonathan Vos Post, Nov 25 2005

Keywords

Examples

			Records defined in terms of A114406 and A046306:
n A114406(n) A114406(n)/log(A046306(n)).
1 32 32/log 64 = 17.7169498
2 48 48/log 96 = 24.2146479
3 16 16/log 144 = 7.41302726
4 56 56/log 160 = 25.4069653
5 8 8/log 216 = 3.42692589
6 16 16/log 224 = 6.80779215
7 84 84/log 240 = 35.2909853
8 12 12/log 324 = 4.77983862
...
22 105 105/log 624 = 37.5646032
		

Crossrefs

Formula

a(n) = records in A114406(n)/log(A046306(n)) = records in (A046306(n+1) - A046306(n))/log(A046306(n)).

Extensions

a(6) from Donovan Johnson, Feb 17 2010
Previous Showing 11-14 of 14 results.