A088318 - OEIS

A088318

Number of different values of A007947(m_k) when A007947(m_j) = A007947(m_k) and A056239(m_j) = A056239(m_k) = n, where k>1 ( j runs from 1 to k-1 ).

0, 0, 0, 0, 1, 1, 2, 3, 5, 7, 10, 13, 18, 24, 32, 40, 51, 66, 83, 103, 128, 158, 194, 237, 288, 348, 419, 500, 612

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OFFSET

1,7

LINKS

EXAMPLE

a(7)=2 because there are two different values. ( 10 and 6 ):

m_1=50, m_2=80, 10 = A007947(50) = A007947(80) and A056239(50) = A056239(80) = 7.

m_1=54, m_2=72, m_3=96, 6 = A007947(54) = A007947(72) = A007947(96) and A056239(54) = A056239(72) = A056239(96) = 7.

CROSSREFS

KEYWORD

easy,nonn

AUTHOR

STATUS

approved