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 1-2 of 2 results.

A193338 Record values in A001783.

Original entry on oeis.org

1, 2, 3, 24, 720, 2240, 3628800, 479001600, 20922789888000, 6402373705728000, 1124000727777607680000, 304888344611713860501504000000, 265252859812191058636308480000000, 371993326789901217467999448150835200000000
Offset: 1

Views

Author

M. F. Hasler, Jul 23 2011

Keywords

Comments

Terms of A001783 which are larger than all preceding terms of that sequence. The corresponding indices are given in A193339.

Programs

  • PARI
    m=0;for(n=1,49,m+0<(m=max(m,A001783(n))) & print1(m", "))

Formula

a(n)=A001783(A193339(n))

A193340 Terms of A001783 which are smaller than the preceding term in that sequence.

Original entry on oeis.org

1, 5, 105, 189, 385, 19305, 85085, 8729721, 1249937325, 37182145, 608142583125, 1452095555625, 215656441, 191898783962510625, 372509404162520625, 29248404810625, 431620764875678503125, 4873615036539089841, 181101347337625, 1553338924739899476440625
Offset: 1

Views

Author

M. F. Hasler, Jul 23 2011

Keywords

Comments

Appears to be a subsequence of A124441.

Crossrefs

Cf. A193338, A193339 for record values in A001783.

Programs

  • PARI
    m=9;for(n=1,99,m+0>(m=A001783(n)) && print1(m", "))
Showing 1-2 of 2 results.