A340272 - OEIS

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A340272

First position of n in A308712, or -1 if that number is not in A308712.

1

0, 1, 3, 5, 2, 7, 4, 17, 9, 14, 6, 19, 11, 24, 16, 29, 8, 21, 13, 65, 26, 83, 18, 31, 10, 62, 23, 93, 15, 54, 28, 98, 85, 59, 20, 33, 12, 77, 64, 196, 25, 95, 82, 214, 56, 43, 30, 100, 87, 219, 61, 48, 22, 35, 92, 480, 79, 211, 53, 198, 27, 185, 97, 891, 84, 216, 58

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,3

LINKS

Rémy Sigrist, Table of n, a(n) for n = 0..10000

Rémy Sigrist, PARI program for A340272

EXAMPLE

A308712(2)=4, so a(4)=2.

PROG

(PARI) See Links section.

CROSSREFS

Sequence in context: A237058 A285297 A097465 * A120683 A210042 A338872

Adjacent sequences: A340269 A340270 A340271 * A340273 A340274 A340275

KEYWORD

nonn

AUTHOR

J. Lowell, Jan 02 2021

EXTENSIONS

a(0) = 0 added and escape clause adjusted by Rémy Sigrist, Jan 17 2021

STATUS

approved