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A225256
Minimum value unattainable as the sum of 2 attained values of a*b with a,b 0..n integers.
1
3, 7, 14, 23, 38, 47, 68, 87, 115, 147, 183, 203, 245, 291, 341, 395, 453, 503, 568, 619, 691, 767, 827, 887, 973, 1063, 1157, 1255, 1357, 1463, 1573, 1631, 1747, 1867, 1991, 2119, 2251, 2317, 2455, 2597, 2743, 2893, 3047, 3205, 3367, 3533, 3703, 3791, 3967
OFFSET
1,1
COMMENTS
Related to A225252.
LINKS
PROG
(PARI) a(n) = my(v=setbinop((x, y)->x+y, setbinop((x, y)->x*y, [0..n]))); for(k=0, vecmax(v)+1, if (!vecsearch(v, k), return(k))); \\ Michel Marcus, Sep 07 2023
CROSSREFS
Sequence in context: A004232 A140462 A227841 * A093523 A173247 A123386
KEYWORD
nonn
AUTHOR
R. H. Hardin, May 04 2013
STATUS
approved