cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A186496 Adjusted joint rank sequence of (f(i)) and (g(j)) with f(i) after g(j) when f(i)=g(j), where f(i)=5i and g(j)=j-th pentagonal number. Complement of A186495.

Original entry on oeis.org

1, 2, 5, 8, 11, 16, 20, 26, 32, 38, 46, 53, 62, 71, 80, 91, 101, 113, 125, 137, 151, 164, 179, 194, 209, 226, 242, 260, 278, 296, 316, 335, 356, 377, 398, 421, 443, 467, 491, 515, 541, 566, 593, 620, 647, 676, 704, 734, 764, 794, 826, 857, 890, 923, 956, 991, 1025, 1061, 1097, 1133, 1171, 1208, 1247, 1286, 1325, 1366, 1406, 1448, 1490, 1532, 1576, 1619, 1664, 1709, 1754, 1801, 1847, 1895, 1943, 1991, 2041
Offset: 1

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Author

Clark Kimberling, Feb 22 2011

Keywords

Examples

			First, write
...5..10..15..20..25..30..35..40... (5i),
1..5......12......22............35..(pentagonal numbers).
Then replace each number by its rank, where ties are settled by ranking 5i after the pentagonal number:
a=(3,4,6,7,9,10,12,13,14,15,17,...)=A186495,
b=(1,2,5,8,11,16,20,26,32,38,46,..)=A186496.
		

Crossrefs

Programs