A077558 -id:A077558 - cp's OEIS frontend

A077559 Final terms of rows of A077558.

1, 3, 7, 49, 17, 22, 29, 6859, 841, 38, 47, 76, 61, 57, 62, 7890481, 83, 147, 101, 164, 86, 91, 127, 472, 10609, 111, 1225043, 244, 163, 285, 179, 38579489651, 134, 142, 145, 14884, 223, 159, 166, 872, 241, 399, 263, 388, 412, 202, 283, 2512, 57121, 475, 214

Offset: 1

Amarnath Murthy, Nov 10 2002

nonn

Cf. A064839, A077558.

More terms from Ray Chandler, Jul 17 2003

A085612 Triangle in which the n-th row contains n numbers (beginning with the smallest unused value) that have the same prime signature as the first entry on that row.

Original entry on oeis.org

1, 2, 3, 4, 9, 25, 5, 7, 11, 13, 6, 10, 14, 15, 21, 8, 27, 125, 343, 1331, 2197, 12, 18, 20, 28, 44, 45, 50, 16, 81, 625, 2401, 14641, 28561, 83521, 130321, 17, 19, 23, 29, 31, 37, 41, 43, 47, 22, 26, 33, 34, 35, 38, 39, 46, 51, 55, 24, 40, 54, 56, 88, 104, 135, 136, 152

Offset: 1

Alford Arnold, Jul 04 2003

Permutation of the natural numbers when the triangle is seen flattened, inverse = A226387, see also A224401. - Reinhard Zumkeller, Jun 05 2013

			a(7) through a(10) = 5, 7, 11, 13 because 5 has not been used.
1;
2,3;
4,9,25;
5,7,11,13;
6,10,14,15,21;
8,27,125,343,1331,2197;
12,18,20,28,44,45,50;
16,81,625,2401,14641,28561,83521,130321;

Rémy Sigrist, Table of n, a(n) for n = 1..10011
Rémy Sigrist, PARI program for A085612
Index entries for sequences that are permutations of the natural numbers

Cf. A025487, A064839, A077558.
Cf. A085836.
Cf. A046523.

import Data.List ((\\))
a085612 n k = a085612_row n !! (k-1)
a085612_row n = a085612_tabf !! (n-1)
a085612_tabf = f 0 $ zip [1..] a046523_list where
   f x zs'@(z:zs) = (map fst ys) : f (x + 1) (zs' \\ ys) where
     ys = z : take x (filter ((== snd z) . snd) zs)
a085612_list = concat a085612_tabf
-- Reinhard Zumkeller, Jun 05 2013

PARI
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See Links section.
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More terms from Ray Chandler, Aug 21 2003

cp's OEIS Frontend

A077559 Final terms of rows of A077558.

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A085612 Triangle in which the n-th row contains n numbers (beginning with the smallest unused value) that have the same prime signature as the first entry on that row.

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