

A186331


Adjusted joint rank sequence of (f(i)) and (g(j)) with f(i) after g(j) when f(i)=g(j), where f and g are the pentagonal numbers and the hexagonal numbers. Complement of A186330.


4



1, 4, 6, 8, 10, 12, 14, 17, 19, 21, 23, 25, 27, 30, 32, 34, 36, 38, 40, 42, 45, 47, 49, 51, 53, 55, 58, 60, 62, 64, 66, 68, 70, 73, 75, 77, 79, 81, 83, 86, 88, 90, 92, 94, 96, 98, 101, 103, 105, 107, 109, 111, 114, 116, 118, 120, 122, 124, 127, 129, 131, 133, 135, 137, 139, 142, 144, 146, 148, 150, 152, 155, 157, 159, 161, 163, 165, 167, 170, 172
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OFFSET

1,2


LINKS



EXAMPLE

First, write
1..5...12....22.....35...... (pentagonal)
1....6....15....28.......45.. (hexagonal)
Then replace each number by its rank, where ties are settled by ranking the pentagonal after the hexagonal:
a=(2,3,5,7,9,11,13,15,16,....)=A186330
b=(1,4,6,8,10,12,14,17,19,...)=A186331.


MATHEMATICA



CROSSREFS



KEYWORD

nonn


AUTHOR



STATUS

approved



