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 11-20 of 30 results. Next

A382575 Decimal expansion of Sum_{p prime} (p - 1)/(p + 1)^3 .

Original entry on oeis.org

1, 2, 3, 0, 4, 4, 7, 1, 1, 1, 8, 2, 3, 2, 0, 5, 6, 1, 2, 5, 7, 1, 5, 1, 1, 7, 3, 6, 9, 1, 1, 6, 8, 3, 1, 8, 1, 9, 6, 7, 2, 0, 1, 6, 3, 4, 3, 5, 3, 7, 9, 3, 1, 3, 7, 1, 5, 0, 6, 5, 4, 1, 3, 8, 7, 3, 5, 8, 7, 0, 8, 6, 9, 4, 4, 2, 4, 7, 7, 3, 4, 6, 5, 6, 9, 2, 3, 1, 4, 5, 6, 5, 5, 5, 2, 5, 6, 7, 2, 4
Offset: 0

Views

Author

Artur Jasinski, Mar 31 2025

Keywords

Examples

			0.12304471118232056125715117369116831819672016343537931371506541387358...
		

Crossrefs

Programs

  • PARI
    sumeulerrat((p-1)/(p+1)^3) \\ Amiram Eldar, Apr 01 2025

Formula

Equals A382554 - 2*A382555.
Equals Sum_{k>=2} (-1)^k * (k-1)^2 * P(k), where P is the prime zeta function. - Amiram Eldar, Apr 01 2025

A382576 Decimal expansion of Sum_{p prime} p/(p + 1)^3.

Original entry on oeis.org

1, 8, 3, 7, 6, 1, 0, 0, 7, 6, 6, 9, 4, 5, 6, 9, 3, 4, 1, 0, 4, 5, 4, 9, 7, 7, 2, 5, 1, 9, 2, 5, 9, 6, 4, 2, 9, 1, 7, 0, 4, 6, 9, 0, 7, 8, 0, 7, 0, 7, 0, 5, 5, 6, 3, 3, 4, 3, 8, 0, 7, 8, 2, 1, 7, 8, 7, 0, 2, 6, 1, 6, 0, 0, 4, 2, 5, 0, 9, 9, 0, 4, 9, 1, 2, 0, 2, 0, 8, 5, 4, 5, 9, 7, 1, 0, 6, 0, 8, 4, 7, 1
Offset: 0

Views

Author

Artur Jasinski, Mar 31 2025

Keywords

Examples

			0.183761007669456934104549772519259642917046907807070556334380782178702616004...
		

Crossrefs

Programs

Formula

Equals A382554 - A382555.
Equals Sum_{k>=2} (-1)^k * ((k-1)*k/2) * P(k), where P is the prime zeta function. - Amiram Eldar, Apr 01 2025

A382577 Decimal expansion of Sum_{p prime} 1/(p*(p + 1)^3).

Original entry on oeis.org

0, 2, 5, 0, 3, 6, 3, 2, 5, 6, 2, 0, 4, 7, 3, 5, 6, 1, 2, 1, 5, 7, 4, 7, 6, 1, 7, 9, 1, 1, 3, 0, 2, 4, 6, 8, 2, 8, 6, 5, 5, 9, 0, 2, 2, 9, 2, 3, 6, 1, 7, 4, 1, 4, 5, 7, 7, 2, 1, 7, 0, 8, 1, 9, 7, 3, 4, 8, 8, 4, 9, 2, 6, 6, 8, 6, 5, 0, 4, 4, 2, 1, 6, 1, 9, 4, 3, 2, 4, 2, 4, 4, 5, 1, 5, 4, 6, 2, 2, 7, 0, 5, 7, 7
Offset: 0

Views

Author

Artur Jasinski, Mar 31 2025

Keywords

Examples

			0.025036325620473561215747617911302468286559022923617414577217081973488...
		

Crossrefs

Programs

  • PARI
    sumeulerrat(1/(p*(p+1)^3)) \\ Amiram Eldar, Apr 02 2025

Formula

Equals A179119 - A382554 - A382555.
Equals Sum_{k>=4} (-1)^k * ((k-3)(k-2)/2) * P(k), where P is the prime zeta function. - Amiram Eldar, Apr 02 2025

A382578 Decimal expansion of Sum_{p prime} 1/(p^2*(p + 1)^3).

Original entry on oeis.org

0, 1, 1, 2, 2, 8, 5, 4, 6, 0, 4, 8, 7, 7, 8, 7, 6, 2, 2, 1, 2, 5, 5, 4, 9, 4, 2, 0, 9, 4, 8, 0, 6, 9, 1, 2, 2, 3, 5, 5, 2, 7, 1, 3, 3, 5, 4, 6, 8, 9, 5, 8, 9, 3, 8, 1, 2, 4, 4, 0, 7, 9, 7, 3, 3, 6, 6, 5, 0, 3, 4, 6, 1, 7, 3, 6, 9, 8, 7, 8, 9, 9
Offset: 0

Views

Author

Artur Jasinski, Mar 31 2025

Keywords

Examples

			0.01122854604877876221255494209480691223552713354689...
		

Crossrefs

Programs

  • PARI
    sumeulerrat(1/(p^2*(p+1)^3)) \\ Amiram Eldar, Apr 02 2025

Formula

Equals A085548 - 3*A179119 + 2*A382554 + A382555.
Equals Sum_{k>=5} (-1)^(k+1) * ((k-4)(k-3)/2) * P(k), where P is the prime zeta function. - Amiram Eldar, Apr 02 2025

A382579 Decimal expansion of Sum_{p prime} 1/(p^3*(p + 1)^3).

Original entry on oeis.org

0, 0, 5, 2, 5, 1, 7, 2, 7, 8, 0, 4, 5, 5, 0, 1, 9, 3, 2, 9, 0, 8, 0, 7, 0, 3, 5, 8, 1, 9, 2, 8, 7, 2, 3, 4, 6, 8, 8, 8, 2, 6, 9, 0, 8, 1, 4, 2, 9, 1, 8, 1, 2, 2, 1, 0, 0, 3, 8, 3, 0, 1, 0, 4, 6, 6, 0, 9, 9, 5, 4, 3, 9, 4, 1, 0, 7, 8, 6, 3, 5, 4, 0, 8, 2, 5, 8, 7, 9, 6, 9, 5, 5, 7, 9, 1, 0, 3, 5, 3, 0, 3, 5
Offset: 0

Views

Author

Artur Jasinski, Mar 31 2025

Keywords

Examples

			0.00525172780455019329080703581928723468882690814291812210038301...
		

Crossrefs

Programs

  • PARI
    sumeulerrat(1/(p^3*(p+1)^3)) \\ Amiram Eldar, Apr 01 2025

Formula

Equals -3*A085548 + A085541 + 6*A179119 - 3*A382554 - A382555.
Equals Sum_{k>=6} (-1)^k * ((k-5)(k-4)/2) * P(k), where P is the prime zeta function. - Amiram Eldar, Apr 01 2025

A382580 Decimal expansion of Sum_{p prime} 1/((p - 1)*(p + 1)^3).

Original entry on oeis.org

0, 4, 6, 4, 4, 5, 8, 5, 0, 1, 3, 1, 5, 3, 3, 2, 8, 2, 9, 4, 8, 2, 4, 6, 3, 6, 3, 7, 4, 1, 9, 5, 2, 4, 9, 0, 2, 6, 3, 3, 6, 8, 3, 0, 9, 2, 1, 4, 1, 2, 0, 9, 9, 2, 0, 0, 9, 5, 7, 2, 6, 1, 1, 7, 4, 1, 3, 7, 9, 0, 9, 8, 6, 1, 4, 2, 0, 2, 4, 7, 8, 2, 7, 0, 9, 2, 8, 0, 1, 9, 5, 7, 4, 0, 0, 3, 1, 3, 6, 0, 8, 4, 3
Offset: 0

Views

Author

Artur Jasinski, Mar 31 2025

Keywords

Examples

			0.046445850131533282948246363741952490263368309214120992009572611741379098614202478270928...
		

Crossrefs

Programs

  • PARI
    sumeulerrat(1/((p-1)*(p+1)^3)) \\ Amiram Eldar, Apr 02 2025

Formula

Equals A136141/8 + A179119/8 - A382554/4 - A382555/2.
Equals Sum_{k>=2} (k-1)^2 * P(2*k) - (k-1)*k * P(2*k+1), where P is the prime zeta function. - Amiram Eldar, Apr 02 2025

A382581 Decimal expansion of Sum_{p prime} 1/((p - 1)^2*(p + 1)^3).

Original entry on oeis.org

0, 4, 1, 2, 9, 6, 5, 3, 7, 8, 8, 3, 1, 3, 7, 1, 3, 6, 7, 7, 4, 5, 9, 4, 2, 4, 9, 8, 6, 9, 9, 1, 1, 6, 9, 3, 6, 8, 7, 5, 6, 2, 4, 5, 2, 4, 9, 2, 5, 4, 2, 3, 4, 8, 1, 4, 5, 4, 2, 0, 0, 4, 6, 4, 1, 1, 3, 0, 0, 7, 8, 3, 5, 5, 8, 3, 5, 7, 2, 8, 0, 8, 1, 4, 5, 2, 1, 8, 2, 9, 1, 3, 0, 9, 8, 9, 3, 9, 9, 1, 4
Offset: 0

Views

Author

Artur Jasinski, Mar 31 2025

Keywords

Examples

			0.0412965378831371367745942498699116936875624524925423481454200464113007835583572808145218...
		

Crossrefs

Programs

  • PARI
    sumeulerrat(1/((p-1)^2*(p+1)^3)) \\ Amiram Eldar, Apr 02 2025

Formula

Equals -3*A136141/16 + A086242/8 - 3*A179119/16 + A382554/4 + A382555/4.
Equals Sum_{k>=3} ((k-2)*(k-1)/2) * (P(2*k-1) - P(2*k)), where P is the prime zeta function. - Amiram Eldar, Apr 02 2025

A382591 Decimal expansion of Sum_{p prime} 1/((p - 1)*p*(p + 1)^2).

Original entry on oeis.org

0, 6, 7, 8, 5, 5, 3, 7, 4, 6, 4, 2, 5, 9, 3, 0, 0, 4, 6, 8, 0, 7, 4, 5, 1, 0, 9, 5, 7, 2, 6, 0, 2, 5, 1, 2, 2, 4, 0, 1, 7, 7, 5, 9, 5, 5, 0, 4, 6, 2, 4, 5, 6, 9, 4, 4, 1, 9, 2, 8, 1, 4, 1, 5, 0, 9, 2, 6, 9, 7, 0, 4, 5, 5, 9, 7, 5, 4, 5, 1, 4, 3, 7, 9, 9, 1, 2, 7, 9, 6, 7, 0, 2, 8, 5, 1, 6, 4, 9, 4, 6, 2, 9, 6
Offset: 0

Views

Author

Artur Jasinski, Mar 31 2025

Keywords

Examples

			0.06785537464259300468074510957260251224017759550462...
		

Crossrefs

Programs

  • PARI
    sumeulerrat(1/((p-1)*p*(p+1)^2)) \\ Amiram Eldar, Apr 01 2025

Formula

Equals A136141/4 - 3*A179119/4 + A382554/2.
Equals Sum_{k>=2} (k-1) * (P(2*k) - P(2*k+1)), where P is the prime zeta function. - Amiram Eldar, Apr 01 2025

A382592 Decimal expansion of Sum_{p prime} 1/((p - 1)*p^2*(p + 1)^2).

Original entry on oeis.org

0, 3, 1, 5, 9, 0, 5, 0, 2, 9, 7, 3, 3, 4, 0, 6, 8, 1, 2, 5, 2, 4, 4, 2, 5, 4, 9, 5, 6, 6, 4, 9, 3, 1, 3, 1, 7, 1, 8, 0, 9, 1, 4, 3, 9, 0, 3, 4, 1, 1, 1, 2, 6, 1, 0, 5, 2, 2, 7, 0, 2, 6, 2, 1, 9, 9, 1, 3, 0, 8, 6, 5, 7, 1, 7, 4, 0, 5, 2, 8, 2, 2, 4, 8, 8, 8, 0, 6, 4, 2, 1, 1, 0, 5, 1, 9, 4, 5, 3, 0, 3, 9, 2, 8
Offset: 0

Views

Author

Artur Jasinski, Mar 31 2025

Keywords

Examples

			0.03159050297334068125244254956649313171809143903411...
		

Crossrefs

Programs

  • PARI
    sumeulerrat(1/((p-1)*p^2*(p+1)^2)) \\ Amiram Eldar, Apr 01 2025

Formula

Equals -A085548 + A136141/4 + 5*A179119/4 - A382554/2.
Equals Sum_{k>=3} (k-2) * (P(2*k-1) - P(2*k)), where P is the prime zeta function. - Amiram Eldar, Apr 01 2025

A382593 Decimal expansion of Sum_{p prime} 1/((p - 1)*p^3*(p + 1)^2).

Original entry on oeis.org

0, 1, 5, 1, 1, 0, 2, 2, 9, 1, 2, 0, 0, 1, 1, 7, 2, 5, 7, 4, 9, 0, 8, 0, 5, 7, 1, 6, 5, 2, 3, 9, 8, 9, 8, 4, 7, 9, 3, 7, 3, 7, 3, 9, 7, 3, 4, 4, 2, 9, 7, 2, 4, 5, 1, 3, 9, 4, 4, 6, 4, 5, 4, 3, 9, 6, 3, 8, 0, 9, 7, 5, 6, 0, 2, 6, 2, 7, 8, 5, 6, 8, 7, 1, 5, 3, 2, 9, 3, 3, 0, 0, 7, 5, 5, 0, 8, 4, 4, 0, 1, 7, 7, 9, 9
Offset: 0

Views

Author

Artur Jasinski, Mar 31 2025

Keywords

Examples

			0.01511022912001172574908057165239898479373739734429...
		

Crossrefs

Programs

  • PARI
    sumeulerrat(1/((p-1)*p^3*(p+1)^2)) \\ Amiram Eldar, Apr 01 2025

Formula

Equals A085548 - A085541 + A136141/4 - 7*A179119/4 + A382554/2.
Equals Sum_{k>=3} (k-2) * (P(2*k) - P(2*k+1)), where P is the prime zeta function. - Amiram Eldar, Apr 01 2025
Previous Showing 11-20 of 30 results. Next