A037135 - OEIS

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A037135

Number of ways of writing n=a+b where |s(a)-a|=|s(b)-b|, s(x)=sigma(x)-x.

0, 1, 1, 1, 1, 2, 0, 1, 1, 2, 0, 2, 1, 1, 0, 1, 2, 2, 1, 2, 0, 2, 1, 2, 0, 2, 0, 1, 0, 2, 0, 2, 1, 3, 0, 2, 2, 1, 0, 2, 0, 1, 1, 1, 0, 1, 1, 2, 1, 1, 1, 2, 0, 2, 2, 2, 0, 4, 1, 1, 3, 2, 0, 1, 1, 4, 2, 2, 1, 1, 0, 3, 0, 2, 2, 1, 1, 3, 2, 2, 0, 3, 0, 3, 0, 2, 1, 1, 2, 2, 2, 1, 1, 2, 0, 4, 0, 2, 1, 3, 0, 4

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,6

LINKS

Table of n, a(n) for n=1..102.

Naohiro Nomoto, Sequence of Yin and Yang

CROSSREFS

Sequence in context: A329867 A342652 A083715 * A374521 A202177 A354793

Adjacent sequences: A037132 A037133 A037134 * A037136 A037137 A037138

KEYWORD

nonn

AUTHOR

Naohiro Nomoto

STATUS

approved