A099520 -id:A099520 - cp's OEIS frontend

A099522 RECORDS transform of A099520.

1, 2, 4, 5, 7, 11, 12, 14, 22, 25, 28, 44, 51, 56, 63, 81, 90, 97, 99, 110, 113, 116, 144, 148, 163, 230, 234, 238, 246, 339, 363, 371, 388, 428, 431, 454, 493, 500, 516, 520, 702, 709, 941, 952, 1237, 1296, 1765, 1773, 1921, 1924, 1928, 1941, 1987, 2008, 2137

Offset: 1

Mark Hudson (mrmarkhudson(AT)hotmail.com), Oct 20 2004

nonn

			A099520 begins: 1,2,4,5,3,7,11,10,6,12,8,... so the RECORDS are 1,2,4,5,7,11,12,...

Cf. A099520.

A075074 Integers pertaining to A099520: a(n) = {b(n)+b(n+1)}/n where b(n) is the n-th term of A099520.

Original entry on oeis.org

3, 3, 3, 2, 2, 3, 3, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 2, 3, 3, 2, 2, 3, 3, 2, 3, 3, 2, 2, 3, 3, 2, 2, 3, 3, 2, 3, 3, 2, 2, 2, 3, 3, 2, 2, 2, 2, 3, 3, 2, 2, 3, 2, 2, 3, 2, 2, 2, 2, 3, 3, 3, 3, 3, 4, 4, 4, 4, 3, 3, 2, 2, 4, 4, 3, 2, 2, 2, 2, 2, 2, 4, 3, 1, 2, 2, 2, 2, 2, 2, 2, 3, 3, 2, 3, 3, 2, 3, 4, 4, 3, 2, 3, 3, 2

Offset: 1

Amarnath Murthy, Sep 09 2002

nonn

Cf. A075073.

More terms from David Wasserman, Jan 05 2005

A099521 a(n) is such that A099520(a(n))=n.

Original entry on oeis.org

1, 2, 5, 3, 4, 9, 6, 11, 54, 8, 7, 10, 19, 12, 72, 21, 14, 23, 84, 16, 25, 13, 18, 29, 15, 22, 33, 17, 26, 37, 156, 28, 39, 30, 41, 190, 32, 45, 34, 47, 218, 36, 51, 20, 40, 57, 42, 59, 27, 44, 24, 46, 284, 48, 286, 31, 50, 292, 52, 77, 300, 79, 35, 81, 85, 56, 87, 58, 89, 60

Offset: 1

Mark Hudson (mrmarkhudson(AT)hotmail.com), Oct 20 2004

			Gives the positions in the sequence A099520 at which the integers n>0 appear. A099520 begins: 1,2,4,5,3,7,11,10,6,12,8,..., so the positions of the integers are: 1,2,5,3,4,9,6,...

Cf. A099520. Also A099506 and A099507 for sequences based on a slightly different definition.

A099523 Positions in sequence A099520 at which its records (as given in A099522) appear.

Original entry on oeis.org

1, 2, 3, 4, 6, 7, 10, 12, 13, 15, 17, 20, 24, 31, 35, 38, 49, 53, 55, 61, 63, 65, 66, 68, 74, 83, 108, 110, 114, 121, 166, 170, 178, 196, 198, 208, 226, 230, 238, 240, 249, 322, 337, 432, 443, 588, 633, 637, 693, 866, 868, 874, 894, 904, 962, 982, 986, 988, 994, 1002

Offset: 1

Mark Hudson (mrmarkhudson(AT)hotmail.com), Oct 20 2004

			A099520 begins: 1,2,4,5,3,7,11,10,6,12,8,14,22,... so records are: 1,2,4,5,7,11,12,14,22, which appear in positions: 1,2,3,4,6,7,10,12,13,...

Cf. A099520, A099522.

A099520(a(n))=A099522(n)

cp's OEIS Frontend

A099522 RECORDS transform of A099520.

Views

Author

Keywords

Examples

Crossrefs

A075074 Integers pertaining to A099520: a(n) = {b(n)+b(n+1)}/n where b(n) is the n-th term of A099520.

Views

Author

Keywords

Crossrefs

Extensions

A099521 a(n) is such that A099520(a(n))=n.

Views

Author

Keywords

Examples

Crossrefs

A099523 Positions in sequence A099520 at which its records (as given in A099522) appear.

Views

Author

Keywords

Examples

Crossrefs

Formula