A186276 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 triangular numbers and octagonal numbers. Complement of A186275.

1, 5, 8, 12, 15, 19, 22, 26, 29, 33, 36, 40, 43, 46, 50, 53, 57, 60, 64, 67, 71, 74, 78, 81, 84, 88, 91, 95, 98, 102, 105, 109, 112, 115, 119, 122, 126, 129, 133, 136, 140, 143, 147, 150, 153, 157, 160, 164, 167, 171, 174, 178, 181, 184, 188, 191, 195, 198, 202, 205, 209, 212, 215, 219, 222, 226, 229, 233, 236, 240, 243, 247, 250, 253, 257, 260, 264, 267, 271, 274, 278, 281, 284, 288, 291, 295, 298, 302, 305, 309, 312, 316, 319, 322, 326, 329, 333, 336, 340, 343

Offset

1,2

Comments

See A186275.

Links

Table of n, a(n) for n=1..100.

Example

First, write the triangular and octagonal numbers:
1..3..6.....10..15..21..28
1........8..........21......
Then replace each by its rank, where ties are settled by ranking the triangular number after the octagonal:
a=(2,3,4,6,7,9,10,11,13,...)=A186275.
b=(1,5,8,12,15,19,22,26,...)=A186276.

Mathematica

(See A186275.)

Crossrefs

Cf. A186159, A186274, A186275.

Sequence in context: A108173 A346308 A214858 * A047383 A322534 A314402

Adjacent sequences: A186273 A186274 A186275 * A186277 A186278 A186279

Keyword

nonn

Author

Clark Kimberling, Feb 16 2011

Status

approved