A379792 Sequence Se of the eight sequences defining the blocks of terms in A377091.

3, 8, 13, 26, 37, 53, 74, 91, 112, 133, 161, 197, 226, 257, 290, 325, 381, 422, 463, 508, 553, 602, 678, 730, 786, 843, 901, 961, 998, 1028, 1088, 1093, 1157, 1225, 1265, 1333, 1372, 1445, 1487, 1523, 1564, 1602, 1642, 1723, 1808, 1893, 1982, 2116, 2164, 2258, 2306, 2354, 2403, 2451, 2552, 2653, 2761, 2915, 2920, 3026

Offset

1,1

Comments

See the comments in A379788 (Sequence Sa) for further information.

a(n) = A379790(n)+1.

Links

Paolo Xausa, Table of n, a(n) for n = 1..1000 (terms 1..513 from N. J. A. Sloane).

Mathematica

(* A377091list is defined at A377091 *)
SequencePosition[A377091list[5000], {_?Positive, _?Negative}][[All, 1]] (* Paolo Xausa, Feb 05 2025 *)

Crossrefs

Cf. A377091, A379066, A379788, A379789, A379790, A379791, A379793, A379794, A380837.

Sequence in context: A076792 A146939 A181540 * A059028 A066809 A009848

Adjacent sequences: A379789 A379790 A379791 * A379793 A379794 A379795

Keyword

nonn

Author

N. J. A. Sloane, Jan 18 2025

Status

approved