A262464 Indices of rows of triangle A262432 where the maximum term of the row is a new record.

1, 6, 15, 30, 60, 90, 140, 264, 308, 440, 528, 760, 870, 1305, 1740, 2436, 2610, 3480, 4060, 5220, 6786, 6960, 7830, 12180, 13806, 14160, 15930, 19488, 24030, 28320, 29264, 34515, 35400, 39648, 50976, 55224, 63720, 66080, 69030, 74340, 87792, 96642, 115104, 122080, 127530, 143880

Offset: 1

Author

Michel Marcus, Sep 23 2015

Keywords

• nonn

Examples

			After row 1 which is [1], the next maximum 2 occurs at row 6 which is [2, 1, 1, 1, 1, 0].
		

Links

• Michel Marcus, Table of n, a(n) for n = 1..127

Crossrefs

Cf. A262432.

Programs

PARI

lista(nn) = {m = 0; vc = vector(nn); for (n=1, nn, d = denominator(sigma(n,-1)); vc[d]++; if (vc[d] > m, print1(n, ", "); m = vc[d]););}