login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A265912 Smallest m such that A014631(n) occurs in row m of Pascal's triangle. 4
0, 2, 3, 4, 4, 5, 5, 6, 6, 7, 7, 7, 8, 8, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 17, 17, 17, 17 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Each n occurs A126257(n) times consecutively.

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

EXAMPLE

First occurrences of z(n)=A014631(n) in the left part of Pascal's triangle, repetitions marked:

. 0: z(1) [1]

. 1: *z(1) [1]

. 2: *z(1) z(2) [1,2]

. 3: *z(1) z(3) [1,3]

. 4: *z(1) z(4) z(5) [1,4,6]

. 5: *z(1) z(6) z(7) [1,5,10]

. 6: *z(1) *z(5) z(8) z(9) [1,6,15,20]

. 7: *z(1) z(10) z(11) z(12) [1,7,21,35]

. 8: *z(1) z(13) z(14) z(15) z(16) [1,8,28,56,70]

. 9: *z(1) z(17) z(18) z(19) z(20) [1,9,36,84,126]

. 10: *z(1) *z(7) z(21) z(22) z(23) z(24) [1,10,45,120,210,252]

. 11: *z(1) z(25) z(26) z(27) z(28) z(29) [1,11,55,165,330,462]

. 12: *z(1) z(30) z(31) z(32) z(33) z(34) z(35) [1,12,66,220,495,792,924]

---------------------------------------------------------------------------

. n: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

. z(n): 1 2 3 4 6 5 10 15 20 7 21 35 8 28 56 70 9 36

PROG

(Haskell)

import Data.List (findIndex); import Data.Maybe (fromJust)

a265912 = fromJust . (flip findIndex a007318_tabl) . elem . a014631

CROSSREFS

Cf. A007318, A014631, A119629.

Sequence in context: A071940 A085883 A356770 * A094192 A093874 A047741

Adjacent sequences: A265909 A265910 A265911 * A265913 A265914 A265915

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Dec 18 2015

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified January 29 17:05 EST 2023. Contains 359923 sequences. (Running on oeis4.)