62664

Appears in sequences

• Numbers k such that prime(2*k) - prime(k) == 0 (mod k).at n=16A066894
• Decimal concatenations of the 38 quintuples (d1,d2,d3,d4,d5) with elements in {2,4,6} for which there exists a prime p >= 7 such that the differences between the 6 consecutive primes starting with p are (d1,d2,d3,d4,d5).at n=22A078870
• Triangle read by rows: T(n,k) is the number of Schroeder paths of length 2n and having k low humps.at n=46A101281
• Expansion of (eta(q^7) / eta(q))^4 in powers of q.at n=13A121593
• Number of ways to place n nonattacking composite pieces queen + leaper[2,4] on an n X n chessboard.at n=14A189868
• Expansion of e.g.f. (1/x) * Series_Reversion( x/(1 - log(1-x)^3) ).at n=7A392853