A186388 - OEIS

A186388

Adjusted joint rank sequence of (f(i)) and (g(j)) with f(i) before g(j) when f(i)=g(j), where f(i)=6i and g(j)=j(j+1)/2 (triangular number). Complement of A186387.

1, 2, 4, 5, 7, 9, 11, 14, 16, 19, 22, 25, 28, 31, 35, 38, 42, 46, 50, 55, 59, 64, 69, 74, 79, 84, 90, 95, 101, 107, 113, 120, 126, 133, 140, 147, 154, 161, 169, 176, 184, 192, 200, 209, 217, 226, 235, 244, 253, 262, 272, 281, 291, 301, 311, 322, 332, 343, 354, 365, 376, 387, 399, 410, 422, 434, 446, 459, 471, 484, 497, 510, 523, 536, 550, 563, 577, 591, 605, 620, 634, 649, 664, 679, 694, 709, 725, 740, 756, 772, 788, 805, 821

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OFFSET

1,2

LINKS

Table of n, a(n) for n=1..93.

EXAMPLE

First, write

......6.....12..18....24..30. (6i)

1..3..6..10...15....21..28... (triangular)

Then replace each number by its rank, where ties are settled by ranking 6i before the triangular:

a=(3,6,8,10,12,13,15,17,...)=A186387

b=(1,2,4,5,7,9,11,14,16,...)=A186388.