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Search: id:A038199
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| A038199 |
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Row sums of triangle T(m,n) = number of solutions to 1 <= a(1)<a(2)<...<a(m) <= n, where gcd( a(1), a(2), ....a(m), n)=1, in A020921. |
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7
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| 1, 2, 6, 12, 30, 54, 126, 240, 504, 990, 2046, 4020, 8190, 16254, 32730, 65280, 131070, 261576, 524286, 1047540, 2097018, 4192254, 8388606, 16772880, 33554400, 67100670, 134217216, 268419060, 536870910, 1073708010, 2147483646
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