A090774 - OEIS

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A090774

A permutation of the natural numbers related to sequence A079946.

1, 3, 6, 2, 13, 12, 7, 10, 25, 14, 5, 27, 20, 29, 24, 4, 21, 51, 22, 49, 26, 15, 18, 41, 59, 40, 53, 28, 11, 55, 36, 45, 99, 42, 57, 30, 9, 43, 103, 38, 81, 107, 44, 61, 48, 8, 37, 83, 119, 72, 85, 115, 46, 97, 50, 31, 34, 73, 91, 199, 74, 89, 123, 80, 101, 52, 23, 111, 68, 77

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OFFSET

1,2

COMMENTS

When viewed as a square array the first row begin with 1 6 12 14 24 ..., cf. A079946 and the second column is A090324.

LINKS

Table of n, a(n) for n=1..70.

EXAMPLE

When viewed as a square array each column can be interpreted as a triangular array. Thus column two would become as illustrated below:

13 10

27 21 18

55 43 37 34