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A064544 Biquanimous numbers (or biquams): group the digits into two pieces (not necessarily equal or in order) with the same sum. 7
0, 11, 22, 33, 44, 55, 66, 77, 88, 99, 101, 110, 112, 121, 123, 132, 134, 143, 145, 154, 156, 165, 167, 176, 178, 187, 189, 198, 202, 211, 213, 220, 224, 231, 235, 242, 246, 253, 257, 264, 268, 275, 279, 286, 297, 303, 312, 314, 321, 325, 330, 336, 341, 347, 352, 358 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

This sequence is 10-automatic (decimal expansions form a regular language accepted by a finite automaton).

LINKS

Table of n, a(n) for n=0..55.

EXAMPLE

143 is in the sequence because its digits {1, 4, 3} may be grouped so that 1+3 = 4.

CROSSREFS

Cf. A064671, A064686 (number of n-digit base-3 biquams), A065023-A065025.

Sequence in context: A067042 A078273 A065571 * A083967 A193772 A178359

Adjacent sequences:  A064541 A064542 A064543 * A064545 A064546 A064547

KEYWORD

base,easy,nonn

AUTHOR

David W. Wilson, Oct 09, 2001

STATUS

approved

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Last modified August 29 02:15 EDT 2015. Contains 261184 sequences.