%I #8 Apr 26 2015 09:44:20

%S 1,7,6,6,4,2,6,2,4,6,4,2,4,2,6,2,4,6,2,4,4,2,4,2,2,4,6,6,4,2,2,2,2,2,

%T 4,4,2,6,2,2,2,6,2,4,2,4,4,2,4,2,6,2,2,2,6,6,2,2,2,2,4,2,2,2,2,4

%N Multiplicity sequence for the alternating row sums of triangle A257232.

%C The sequence of alternating row sums of A257232 gives one times 1, seven times 2, 6 times 3, six times 4, four times 5, etc., in this order.

%C Is a(n) = A067970(n-2), n>=3 ? - _R. J. Mathar_, Apr 24 2015

%F The number m appears a(m) times in the sequence of row sums of triangle A257232 for m = 1, 2, ..., that is in sum(((-1)^(k-1))*(n - (k-1) - [isprime(k)]), k = 1..n) with [isprime(k)] = A010051(k) for n >= 1.

%Y Cf. A257232.

%K nonn,easy

%O 1,2

%A _Wolfdieter Lang_, Apr 19 2015